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Crepidiastrum Nakai

假黃鵪菜屬

Crepidiastrum taiwanianum

Credit: HAST

Glabrous glaucous suffrutescent herbs with milky sap; stems stout, simple or branched. Leaves rosulate or cauline, alternate, entire or pinnately incised. Heads homogamous, small, on lateral leafy branches, in corymbs. Involucre narrow, inner bracts equal, in 1 series, outer bracts smaller, few; florets yellow or white, all ligulate, truncate, 5-toothed. Achenes slightly flattened, with 10 longitudinal ribs, tip shortly narrowed. Pappus copious, bristles numerous, in 1 series, slightly scabrous, deciduous.

About seven species in warmer parts of eastern Asia; two species in Taiwan.

Koyama, H. 1995. Crepidiastrum Nakai. In K. Iwatsuki, T. Yamazaki, D. E. Boufford & H. Ohba (eds.). Fl. Jap. 3(b): 13-15.


KEY TO SPECIES

1 Leaves secondarily rosulate at middle of lateral flowering stems, spatulate.   Crepidiastrum lanceolatum
+ Leave remote on ascending flowering stems, auriculate at base.   Crepidiastrum taiwanianum

Lower Taxa

Related Synonym(s):


 

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