Bước đầu nghiên cứu phân loại chi song quả (didymocapus wall 1819) ở việt nam




KHOA SINH  KTNN
==============







DIDYMOCAPUS 






TS. 
TS. HÀ MINH TÂM





Hà N




TS. Đỗ Thị Xuyến và TS. Hà Minh Tâm

 
 

              

 
 






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








  
Didymocapus Wall

TS. Đỗ Thị Xuyến và TS. Hà Minh Tâm





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
 2
 2

 3
 3
 4
 5
 5
 5
 5
 5
 5
 6
 9
Dydimocarpus  9
3.2 

. 12




 13
3.4.1 Didymocarpus bonii Pellegr  

. 13
3.4.2 Didymocarpus pulchra C.B. Clarke  

 14
3.4.3. Didymocarpus kerrii Craib  

. 15
3.4.4 Didymocapus poilanei Pell  


 16
3.4.5 Didymocarpus purpureobracteatus Smith-





. 18
3.5.  tin h
(Dydimocarpus  19
 22
 23








1


1. 



2.256 chi; 


100 loài khác. Tuy nhiên, 


 
 
 
              




(Didymacaspus Wall), 



ai voi  


 180         ,

m, Thái Lan, Mã Lai  5 , tuy
là mt chi nh  giá tr khoa hc.
 chun b cho vic nghiên cu mt cách toàn din v phân loi chi
Song qu  Vit Nam và góp phn cung cp d liu cho vic nhn bit, s
dng các loài thun hành nghiên cu 
       q (Didymocarpus Wall.)  
Nam
2

2. 

       n    q
(Didymocarpus Wall.)  
biên vc

- : C 
 
n q
(Didymocarpus Wall.
-  
 chi Song qDidymocarpus Wall.) .
 
q(Didymocapus Wall.1819) 
 Gesneriaceae
  36 trang, 11 3 
 (2 trang), ch. 
 (2 . 
 (4 .  (10 trang
 (1 trang và .
3



       Didymocapus là Wallich  1819
(trong Edinburgh Philosophtypus là D. aromatica.
Sau khi chi Didymocapus 
 
      D. Don nâng chi Didymocapus thành 
Didymocarpaceae. Tuy nhiên q.
Trong các      G. Bentham & J. D. Hooker, Takhtajan
(1997, 2009)   

Didymocapus vào .
Clacke (1876) khi  phân Gesneriacea  5 loài
  Didymocapus là D.andersonii, D.aurantiacus, D.hookeri,
D.mortomi và D.kurzii loài D. pulcher.
Pellegr (1926)        Didymocarpus  
Gesneriacea   D.balansa, D.bonni, D.bicolor, D.tristis, D.insulasa,
D.poilanei, D.pulchra, D.pupureo-picta, D.kerri, D.aureo-glancelora. Trong
Didymocarpus xây


 
 W.T.Wang (1984)   nghiên  và công  thêm  loài
 chi Didymocarpus     D.grandidentatus ,
D.mollifolius , D.pseudomengtze  1990 ông mô  21 loài trong 
 chí Trung  (Flora Reipublicae Populavis Sinnicae),  1998 ông
4

 mô   loài D. pulchra và D.pupureobractatus trong  Flora of
China.
Ngoài ra  1975, 6 loài  Didymocarpus 
 mô  trong  Iconographia Comophytorum Sinicorum  nhà 
 khoa  do  Khoa  Trung   Nghiên   
 Kinh làm  biên, và trong  Flora Yunnanica (1991)  mô  16
loài  chi Didymocarpus   trong  có D.pulchra và
D.pupureobracteatus có   Nam.

Trong công trình Cây c Vit Nam ca Phm Hoàng H (1991) [3],
c tái b m nhn bit ca 3 loài
cùng hình v   kèm theo. Trong các công trình này thì chi Song qu
(Didymocarpus Wall.c xp vào h Tai voi (Gesneniaceae)

 3 
Song q 
.

D. kerriD. pupureobactetus 
 (2012)
, Didymocarpus Wall 
 
   :         q
(Didymocarpus Wall.
Didymocarpus Wall.)


5




  q (Didymocarpus Wall.)  

Tài liệu: q(Didymocarpus Wall.)

Mẫu vật:         q (Didymocarpus
Wall.    

 

 
 


 







8/ 2014- 5/2015

 

 

6

 Phân tích m
 

q
Hình thái so sánh   7  



mã di 






Công tác ngoại nghiệp:      


Công tác nội nghiệp: 




: 4 


              
Song q(Didymocapus Wall.

7

            q
(Didymocapus Wall.


khác.




 

T



 

T

 


C

.
8

 









 
-
  

    










9


Dydimocarpus Wall.) 
q trên
   voi (Gesneriaceae Dumort.
1822)q
Nam. Cho nên 
qqDydimocarpus Wall.)
            
lan (Magnoliophyta).
3. 2  (Dydimocarpus Wall.) 
DIDYMOCAPUS WALL.  
Wall. 1819. Edinburgh Philosoph. J., 1: 378. Phan. 5: 79; Kew Bull. 1911:
431; Pellegr. 1926. Bull. Soc. Bot. France, 73: 416-421; id. 1930. FI. Gen.
Indoch. 4:520-525; Phamh. 1993.Illustr. Fl. Vietn. 3:11-12; W.T.Wang, 1990.
Fl. Reip. Pop. Sin. 69:423-441; W.T.Wang, 1998, Fl. China, 18:224-401.
C 

Lá:  
 á hình

--3
cm có lông.

10


1D. bonni)

2. ( D.
Pulchar)

D.
poilanei)

4 (D.kerri)
(1,2. T
 

, 








 .  (D. purpureobracteatus) 


(D. poilanei).

D.kerri

Craib)

2. C
(D.poilanei)
, 2001)
Hoa: 



, (D. bonii) 



 
n. T
11

 ; 





 2  3
, 



. 2, 
            

.  1 ô, ít khi trung. 






; .

1D. Kerrri
Craib)

2. hoa 5 thùy chia thành hai môi
(D.pupureobractaetus)

( />thailand.html và )
. H
.



12

3.3 

.
1A. 

u, 5 ;  1. D. bonii.
1B. 






, 

, chia 5 2 môi; 


.
2A. 

.
3A. 







 ;  2 ,


4-12 x 2-5 cm 2. D. pulcher.
3B.  .  , 

1- 4,5x
1-4,5 cm, 5-20cm 3. D. kerrii.

2B. 


4A. 





 , 



 , 






dài 2-           -1,5 mm
4. D. poilanei.
4B. g,  ; 


3-8 mm, 

8-9 mm; 

2-3

mm 5.D.purpureobracteats.
13






3.4.1 Didymocarpus bonii Pell.  

.
Pell. 1926. Bull. Soc. Bot. France, 73: 416; id 1930. FI. Gen. Indoch. 4:520;
Phamh. 1993. Illustr. Fl. Vietn. 3:11; V.X. Phuong, 2005. Checkl. Pl. Sp.
Vietn. 3:242.
.  5 phía, thon, to 7-10 x
2-3 cm, , , 

6 

; 0-1 cm. 
 5-6 cm;  3-6 cm; cánh hoa 5mm, ,  ,
cao 3mm,  ; , không lông, 5 thùy; 





 2, 2;
, . 


4,5 cm, 

2-3 mm; 



, .

Hình 1. Didymocapus bonii Pell.

14

Typus: Bon 5730 (P)






 : hoa và        



: C           
.
3.4.2 Didymocarpus pulchra C.B. Clarke  


C.B.Clake, 1883. Monogr. Phan. 5: 79; Pellegr. 1930. FI. Gen. Indoch. 4.
523; W.T.Wang, 1990. Fl. Reip. Pop. Sin. 69:434; Phamh, 1993 Illsstr. Fl.

Vietn. 3: 12; W.T.Wang, 1998, Fl. China, 18: 534; V. X. Phuong, 2005.
Checkl. Pl. Sp. Vietn. 3: 242.

Hình 2. Didymocapus pulchra C.B. Clarke
(Hình theo 
, cao 13  20 cm, 
5--11 x 2,7-7 cm, g

6-8;

--4
-5mm. Hoa 
15

bên, dài 3-7 mm có lông. --2
lông 
chia thành 2 môi không rõ
dài 5-.






 : -
-1000 m.
Loc. Class: Himalaya centralis, Sikkim. Typus: Griffith3841 (K)





: Dk. Harder, P.K.Loc, LV.Averyanov, GE. Schat &
S. Bodine 6761, LX    74, TV 359, LX-
VN  327, HAL  4197, HNK  469.


: 
.
3.4.3. Didymocarpus kerrii Craib  

.
Craib, 1911. Kew Bull. 1911: 431; Pellegr. 1930. Fl. Gen. Indoch. 4: 525; V.
X. Phuong & D. T. Xuyen, 2012. Journ. Bot. 34(1):72-74.
-
 cây -4x1-
4,5 cm ng 
có lông; có 5--5 cm, có lông
ha
hoa có long, dài 3-4 cm,
lông
-10 cm, không có
lông

Loc. class: Siam, Chiengmai (Doi Sootep).
16

Typus: Kerri 786 (K)







 : -





: -Ipeng 14156 (HN)


: 

3. Didymocarpus kerrii Craib
1.Cây mang hoa; 2. 
(Hình theo , 2012)
3.4.4 Didymocapus poilanei Pell.  


Pell. 1930. FI. Gen. Indoch. 4. 523; Phamh, 1993 Illust. Fl. Vietn. 3: 11;
V.X.Phuong, 2005. Checkl. Pl. Sp. Vietn. 3: 242.
17


Hình 4. Didymocaspus poilanei Pell.
(Hình theo 
, cao 0,7m;  , 3,5-6 cm.
, to 8x3 cm, 


 , 

, 






,  , 

7 

; 

3cm, . 
2,5  3 2 bên, , 8-10 cm; 


 5-25 mm; tai 1cm ho

 2 môi, 

 3 ; 





 2;

.






 : -
-
Loc. Class: Annam, Nha trang. Typus: Poilane 3417 (P)




 : T.M.Quang 47, N.T.Nhàn 930-    
Thiên.
18



: 
3.4.5 Didymocarpus purpureobracteatus Smith-







.

Smith, 1912. Note Roy. Bot. Gard. Edinb. 5: 153, Pl. 107; W.T.Wang, 1990.
Fl. Reip. Pop. Sin. 69: 441.

Hình 4. Didymocaspus Pupureobactatus Smith


         o 6,5-    
-12 x 4-9, gân lá
hình cung 5-
-
19

a dài 3---1,2
-
3-
Loc. Class: China, Yunnan. Typus: A. Hery 9198 (K).




 

: -
-




 : HNK-       
             

DKH 5413; HNK 507; 81


: 
Tâm Ve).
3.5.   Song q
(Dydimocarpus Wall.







 sau:

20



.  
các loài
             
thông tin




 cây
 D. kerri


thông 
thông tin
  creat
queries design view   add close
 thông n
  .
21



thông 

thông .
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