Fruit cylindrical to elliptic, subterete in section, covered with bristly hairs; ridges fairly well developed, obtuse.
Leaves with strongly-developed sheathing bases, ultimate segments filiform, shortly acicular or elliptic to subrotund.
Umbels with numerous rays, partial umbels many-flowered; bracts and bracteoles well developed and conspicuous.
Robust perennial herbs, stems solid and with relatively fine grooving, nearly glabrous excepting the umbels.
Stylopodium conical; styles exceeding the stylopodium, clubbed at the apex.
Vittae conspicuous, 1 in each groove and 2 (or 4) in each commissural face.
Petals with a long inflexed point, pubescent on the outer surface.
Carpophore entire or 2-cleft to the base.
Calyx teeth obsolete.