古当归属 gu dang gui shu

Pan Zehui (潘泽惠); Mark F. Watson

Herbs, perennial, stout. Stem hollow. Leaves large, 2–3-pinnatisect. Umbels compound, terminal or lateral; rays numerous; bracts and bracteoles several, lanceolate or linear-lanceolate. Calyx teeth obsolete. Petals white, elliptic to oblong, apex acuminate, inflexed. Stylopodium short conic, margin sinuolate. Fruit ellipsoid, flattened dorsally, glabrous; ribs all corky-winged, lateral wings slightly broader than dorsal, intervals broad; vittae many, moderate in size to small and almost encircling the seed. Seed face plane or slightly concave. Carpophore 2-cleft to base.

About ten species: N temperate region; two species in China.

Archangelica is closely allied to Angelica; see the taxonomic comment under that genus.

Lower Taxa

• Archangelica brevicaulis (Ruprecht) Reichenbach
• Archangelica decurrens Ledebour