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18. Urophysa Ulbrich, Notizbl. Bot. Gart. Berlin-Dahlem. 10: 868. 1929.
尾囊草属 wei nang cao shu
Fu Dezhi; Orbélia R. Robinson
Herbs perennial. Rhizomes robust, ± woody. Leaves basal, palmately 3-foliolate, long petiolate; petiole basally sheathed. Scapes usually several. Inflorescences umbellate, 1--3-flowered. Flowers actinomorphic, bisexual. Sepals 5, petaloid. Petals 5, base saccate to shortly clawed. Stamens numerous, glabrous; filaments linear-filiform, 1-veined; anthers ellipsoid. Staminodes ca. 7, inserted between stamens and pistils, membranous. Pistils 5(--8); ovary ca. 1/2 as long as style; ovules many. Styles persistent. Follicles ovoid, swollen. Seeds densely rugose.
* Two species.
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Inflorescences 3-flowered; sepals 1--2 cm; petals base saccate, not spurred |
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1 U. henryi |
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Inflorescences 1-flowered; sepals ca. 2 cm; petals shortly spurred |
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2 U. rockii |
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Lower Taxa
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