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146. Soliva Ruiz & Pavon, Fl. Peruv. Prodr. 113. 1794.
裸柱菊属 luo zhu ju shu
Authors: Zhu Shi, Christopher J. Humphries & Michael G. Gilbert
Solivaea Cassini, nom. illeg. superfl.
Herbs, annual, small. Leaves alternate, pinnatisect. Capitulum solitary at leaf axils, disciform. Involucres hemispheric; phyllaries in 2 rows, equal, margin scarious. Receptacle convex or conical, epaleate. Marginal florets female, without corolla; disk florets sterile, corolla tubular, 3- or 4-lobed. Anther obtuse at base. Style branches fused. Achenes dorsiventrally flattened, laterally winged; wings sometimes projected, teeth apex with persistent and spinescent style, sometimes transversely wrinkled to sulcate. Pappus absent.
Eight species: mostly in Australia, North and South America; two species (both introduced) in China.
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Leaves 5-15 cm; capitula often restricted to base of plant; disk florets 3-merous; achenes longer than broad, prominently villous at apex, with thick corky margins. |
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1 S. anthemifolia |
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Leaves 1.5-5 cm; capitula scattered along stem; disk florets 4-merous; achenes broader than long, glabrous, with thin papery wings indented below middle. |
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2 S. pterosperma |
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Lower Taxa
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