沙生阿魏 sha sheng a wei

Ferula dshaudshamyr Korovin.

Plants 50–70 cm. Stem solitary, 2 × paniculate-branched. Leaf blade broadly elliptic, 3-pinnate/pinnatifid; ultimate segments elliptic, 5–10 mm, usually lobed or toothed, adaxially glabrous, abaxially densely pubescent. Compound umbels terminal on stem and branches, simple umbels lateral on branches and branchlets, 1–2, solitary or opposite; umbels 1–4 cm across; bracts and bracteoles absent; rays 2–7, subequal; umbellules 6–10-flowered. Stylopodium low-conic, base dilated, margins undulate; styles elongate. Fruit ellipsoid, 4–6 × 2–4 mm; lateral ribs narrowly winged, wings whitish; vittae 1 in each furrow, 2 on commissure. Fl. and fr. Jun–Jul.

Sandy slopes in deserts; 400–600 m. N Xinjiang (Altay) [Kazakhstan, Kyrgyzstan, W Mongolia. Uzbekistan; C Asia].