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FOC | Family List | FOC Vol. 20-21 | Asteraceae

2. Aster sect. Teretiachaenium Kitamura, Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 8: 357. 1937.

东风菜组 dong feng cai zu

Herbs, perennial, usually simple, erect. Leaves basal (withered at anthesis) and cauline; blade ovate or elliptic-ovate, margin flat, serrate, rarely subentire, 1-veined. Capitula radiate, terminal, corymbiform or paniculiform. Involucres campanulate to broadly campanulate; phyllaries 3-seriate, unequal or subequal, not keeled, margin scarious. Receptacles flat or convex. Ray florets 1-seriate, 4-9, white; disk floret limb campanulate, lobes equal. Achenes obovoid, ± compressed, 2-7-ribbed. Pappus of ray and disk florets 3- or 4-seriate, of numerous persistent, free bristles, innermost ± clavate, outermost of short bristles.

Seven species: E Asia; two species (one endemic) in China.

1 Phyllaries unequal, narrowly herbaceous on back, margin broadly membranous; pappus of many bristles as long as disk florets; achenes glabrous.   9 A. scaber
+ Phyllaries subequal, sometimes outer series herbaceous and green, inner series with membranous margins only; pappus of few bristles much shorter than corolla tube; achenes sparsely strigose.   10 A. marchandii

Lower Taxa


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