Plants up to 60 cm tall, pubescent. Roots elongated, fusiform. Lower stem densely hairy; hairs white, deflexed. Leaves 2-3-pinnate, pubescent; pinnae finely divided; leaf sheaths of the upper leaves inflated. Involucral bracts lacking. Rays 6-10, glabrous to pubescent. Involucel of 5-6 linear to lanceolate bractlets; margins white, ciliate or entire. Stylopodium shortly conical; styles short. Fruit cylindrical, 6-9 mm long, narrowed at the apex; 2-6 fruits in an umbellet, the central subsessile; ridges conspicuous; furrows 1-vittate. Inner seed face deeply sulcate.