Description from Flora of China
Herbs, biennial. Stem hollow, thinly ribbed, essentially glabrous, scabrous below umbel. Leaves petiolate, sheaths inflated; blade 2-pinnatisect. Umbels compound, terminal and lateral; bracts 1, deciduous; bracteoles 3–5. Calyx teeth obsolete or minute, triangular. Petals white, apex incurved, outer petals conspicuously enlarged. Fruit suborbicular or broad-ovoid, dorsally compressed, glabrous; dorsal ribs prominent, lateral ribs broad-winged; vittae 3–5 in each furrow, 4–10 on commissure. Seed face plane. Carpophore 2-cleft to base.
Czernaevia is sometimes included within Angelica, but differs in the dimorphic petals and absence of coumarins and flavonoids; see also the taxonomic comment under Angelica.
One species: China, Korea, Russia (Siberia).
(Authors: Pan Zehui (潘泽惠); Mark F. Watson)