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FOC | Family List | FOC Vol. 14 | Apiaceae

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.

1 Calyx teeth conspicuous, unequal; lateral ribs of fruit broadly winged.   (2)
+ Calyx teeth minute, inconspicuous; lateral ribs of fruit narrowly winged.   (3)
2 (1) Petals white, purple veining absent; fruit pilose; basal leaves pinnate, pinnae broad-ovate to ovate-oblong, 20–30 × 10–20 mm.   1 Semenovia transiliensis
+ Petals white or yellowish-white, with purple medial veins; fruit glabrous; basal leaves 2-pinnate, ultimate segments linear, ca. 5 × 1 mm.   2 Semenovia rubtzovii
3 (1) Fruit ribs undulate; basal leaves 1–2-pinnate, pinnae ovate-oblong, 5–8 × 3–4 mm.   3 Semenovia pimpinelloides
+ Fruit ribs filiform, elevated; basal leaves pinnate, pinnae ovate or broad-ovate, 30–60 × 25–50 mm.   4 Semenovia dasycarpa

Lower Taxa


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