Plants 15–65 cm. Stem purple-tinged at base. Leaf blade gray-green, oblong-ovate, 3-pinnatisect, 4–10 × 1–3 cm; pinnae 4–7 pairs, pinnules 2–3 pairs; ultimate segments lanceolate, (2–) 4–20 × 0.5–2.5 mm, apex acute, apiculate, terminal segment decurrent at base, both surfaces glabrous, margins narrowly revolute. Umbels 3–8 cm across; peduncles villous; bracts 5–10, linear-lanceolate, unequal, sparsely or densely villous; rays 8–14, stout, pubescent; bracteoles 6–12, linear, white membranous, villous. Petals abaxially puberulous. Fruit ellipsoid, lateral ribs broadly corky-winged, 6–7 × 4–5 mm, hispidulous. Fl. and fr. Jun–Aug.
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