Conioselinum 彎柱芎屬
型態特徵
Perennial, stout or slender, erect, caulescent herbs; with taproot or cluster of fleshy roots. Leaves petiolate, membranaceous, bi- or tri-pinnately compound, the ultimate segments pinnately lobed; petioles sheathing. Peduncles terminal and lateral; involucres few, narrow, lanceolate or linear or wanting; rays numerous, spreading-ascending; involucels of many small narrow bractlets. Flowers white; calyx-teeth obsolete; petals ovate or obovate, with a narrow inflexed apex; stylopodium conic. Fruit oblong-oval to oval, strongly compressed dorsally, glabrous, the dorsal ribs low and corky or narrowly winged, the lateral ribs broadly thin-winged. Vittae 1–4 in the interval and 2–8 on the commissural side. Seeds with a plane or somewhat concave face.
A few species in the Northern Hemisphere. One species in Taiwan.
