虾须草属 xia xu cao shu

Authors: Yousheng Chen & Luc Brouillet

Herbs, biennial (or winter annual). Stems erect to ascending. Leaves basal 1st year, cauline 2nd year, alternate, margin entire. Capitula radiate, small, terminal or axillary. Involucre campanulate; phyllaries 2-seriate, unequal, ovate, outer 2 oblong, smaller. Receptacles flat, epaleate. Ray florets female, white or pinkish, lamina elliptic-oblong, entire or 3-toothed; disk florets functionally male (ovary sterile), yellow, limb campanulate, (4 or)5(or 6)-lobed; anther base obtuse; style undivided, lanceolate. Achenes oblanceoloid to obovoid, 3-ribbed. Pappus absent.

● One species: China.

Lower Taxon

• Sheareria nana S. Moore