Shrub or tree, 2.5-8 m tall. Leaves unifacial, (14-) 25-52 cm long, usually pinnatisect to bipinnatisect with 5-13 ascending primary lobes, the lower ones sometimes again up to 4-partite, rarely a few leaves entire; ultimate lobes 10-36 cm long, 0.5-1.8 mm wide, subterete to flat-linear; margins obscure; surface with deep longitudinal discontinuous wrinkles, glabrous or with scattered appressed hairs. Conflorescence usually terminal, erect, exceeding foliage, paniculate with up to 8 spreading branches or occasionally simple; secondary peduncles often with blackish triangular bases; unit conflorescence cylindrical, 6-18 cm long, weakly acropetal to subsynchronous. Flowers acroscopic. Flower colour: perianth and style cream to pale yellow. Perianth glabrous outside, papillose inside. Nectary U-shaped. Pistil 6.5-9 mm long, glabrous; pollen-presenter transverse to oblique, conical. Follicle compressed-ellipsoidal, 19-29 mm long, glabrous, tuberculate to almost smooth, caustic-viscid when young.
Grows in open eucalypt woodland, often on river levees or near creeks, in sandy alluvial or red volcanic soils.
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