Shrub 0.4-1.5 m tall. Leaves 2-6 cm long, 40-60 cm wide, deeply and divaricately bi-or tripinnatipartite, with 6-13 primary lobes, these simple to 7-partite; ultimate lobes linear, 5-30 mm long, (0.5-) 0.7-1.1 mm wide, pungent; margins angularly revolute, enclosing lower surface except for midveins; lower surface bisulcate, hairy in grooves. Conflorescence erect, terminal, simple or few-branched; unit conflorescence acropetal, a loose subglobose cluster or rarely somewhat secund; ultimate rachis 4-16 (-30) mm long. Flowers acroscopic or irregularly oriented. Flower colour: perianth in bud greenish at base, red at curve, becoming wholly red, blackening after maturity; style red. Perianth glabrous outside, bearded inside. Pistil 30-35.5 mm long; ovary villous; style loosely villous becoming nearly glabrous towards apex. Follicle subglobose to obloid-ellipsoidal, 12.5-18 mm long, faintly rugulose, sparsely villous with hairs falling easily.