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97. Semenovia Regel & Herder, Bull. Soc. Imp. Naturalistes Moscou. 39(3): 78. 1866.
大瓣芹属 da ban qin shu
Pu Fading (溥发鼎 Pu Fa-ting); Mark F. Watson
Neoplatytaenia Geldikhanov; Platytaenia Nevski & Vvedensky.
Herbs, perennial. Taproot fusiform, crown usually clothed with fibrous remnant sheaths. Stem usually solitary. Basal and lower leaves 1–2-pinnate. Umbels terminal and lateral; umbellules 10–30-flowered. Calyx teeth minute or conspicuous. Petals white, rarely pale yellow, outer flowers of the umbel radiant with outer petals enlarged, broad obovate, apex deeply 2-lobed, abaxially puberulent. Stylopodium conic; styles slightly longer than stylopodium, reflexed. Fruit ovoid or ovoid-oblong, pilose to glabrous, dorsally compressed; dorsal and intermediate ribs raised, rarely undulate, lateral ribs broadly winged or nearly as wide as the dorsal; vittae 1 in each furrow, 2 on commissure, filiform, usually extending to the base or at least to 3/4 length of mericarp. Seed face plane or slightly concave. Carpophore 2-parted to base.
About 20 species: C Asia, SW Asia (Iran); four species in China.
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| 1 |
Calyx teeth conspicuous, unequal; lateral ribs of fruit broadly winged. |
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(2) |
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Calyx teeth minute, inconspicuous; lateral ribs of fruit narrowly winged. |
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(3) |
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| 2 (1) |
Petals white, purple veining absent; fruit pilose; basal leaves pinnate, pinnae broad-ovate to ovate-oblong, 20–30 × 10–20 mm. |
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1 Semenovia transiliensis |
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Petals white or yellowish-white, with purple medial veins; fruit glabrous; basal leaves 2-pinnate, ultimate segments linear, ca. 5 × 1 mm. |
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2 Semenovia rubtzovii |
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| 3 (1) |
Fruit ribs undulate; basal leaves 1–2-pinnate, pinnae ovate-oblong, 5–8 × 3–4 mm. |
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3 Semenovia pimpinelloides |
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Fruit ribs filiform, elevated; basal leaves pinnate, pinnae ovate or broad-ovate, 30–60 × 25–50 mm. |
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4 Semenovia dasycarpa |
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Lower Taxa
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