Angelica 當歸屬
型態特徵
Perennial herbs; with stout taproots; stems stout, erect and tall, usually hollow, caulescent, glabrous to tomentose. Leaves petiolate, membranaceous to thick and subcoriaceous, ternately-pinnate or pinnately compound; pinnae serrate to lobed. Inflorescence of loose compound umbels; rays few to many; involucre small, entire. Flowers white, pink, purplish or violet; petals ovate to obovate, with a narrowly inflexed apex, glabrous to hirsute dorsally; calyx-teeth minute or obsolete. Fruit oblong-oval to orbicular, strongly flattened dorsally, pubescent or glabrous, the lateral ribs broadly thin or corky-winged, the dorsal ribs also prominent but not winged, those of the carpels separate; carpophore 2-cleft to the base. Vittae solitary or 2 in the interval, 2 to many on the commissure. Seeds strongly compressed dorsally, the inner face plane to concave.
About 50 species distributed in the Northern Hemisphere and also in New Zealand, five species and one variety in Taiwan.
