|
|
|
Pterocypsela C. Shih
刺果菊屬
Annual, biennial or perennial herbs. Leaves entire or mostly variously lobed-pinnatisect. Heads in corymbs, panicles or racemes. Flowers yellow. Achenes flattened, elliptic-oblong to obovate, 1-3-striate on each side, with thin broad wings, glabrous, black, beak distinct but usually short. Pappus bristles many, fine, white, scabrid.
About 11 species in eastern and southeastern Asia, mainly in China; two species in Taiwan.
- Shih, C. 1988. Revision of Lactuca L. and two new genera of tribe Lactuceae (Compositae) of the mainland China of Asia. Acta Phytotax. Sin. 26(5; 6): 382-393; 418-428.
- Shih, C. 1997. Pterocypsela Shih. In Y. Ling & C. Shih (eds.), Fl. Reipubl. Popul. Sin. 80(1): 225-233.
|
KEY TO SPECIES
|
|
|
| 1 |
Stems hirsute; leaves hairy, broadly auriculate at base; beak of achene 2-3 mm long. |
|
Pterocypsela formosana |
| + |
Stems glabrous or nearly so; leaves not auriculate or only slightly so; beak of achenes 1-1.5 mm long. |
|
Pterocypsela indica |
|
|
|
Lower Taxa
Related Synonym(s):
| Related Links (opens in a new window) |
|
Treatments in Other Floras @ www.efloras.org
Other Databases
|
|
|
|
|
|
|
|
|
