Plants annual, glaucous. Leaves petioled, 3-4-pinnate; ultimate segments filiform; leaf bases sheathing. Bracts and bractlets lacking. Calyx teeth obsolete. Petals yellow. Stylopodium conical; carpophore divided. Fruit ovoid, strongly dorsally flattened; lateral ridges broader and narrowly winged; furrows 1-vittate; commissure 2-4-vittate. Inner seed face plane to slightly concave.