A shrub or tree up to 20 ft. high; branchlets stout, glabrous. Leaves digitately 11–12-partite; segments lanceolate, narrowed into a long tail at the apex, narrowed to the base, 4–6 in. long, 1–2 in. broad, deeply pinnatilobed, with very acute lobes, or rarely subentire, glabrous on both surfaces, more or less glaucous below; petiole 5–6 in. long, glabrous, not glandular; stipules laciniate, about 1/2 in. long, segments filiform, not glandular at the apex. Cymes corymbose, pedunculate, 1–2 in. long, 1 1/4–2 1/2 in. broad; peduncle 5–6 1/2 in. long, rather stout, glabrous; bracts subulate, acute, 3/4–1 lin. long, glabrous, entire, not glandular. Male flowers pedicellate, red: pedicel up to 3 lin. long, glabrous. Sepals connate at the base, ovate-triangular, acute, entire, glabrous, 3/4–1 lin. long. Petals free to the base, obovate, emarginate, 3 lin. long, 1 1/2 lin. broad, striate, entire, glabrous. Disk-glands large, erect, subcontiguous, glabrous. Stamens 8; filaments quite free to the base, 1 1/3 lin. long, glabrous; anthers very large, sagittate at the base, 1 1/3 lin. long. Female flowers solitary on the primary and secondary axes of the cyme. Sepals and petals as in the male. Disk large, deeply 5-lobed, lobes fleshy, ovate or rounded, entire, glabrous. Ovary ovoid, glabrous; styles connate in the lower half, bifid and swollen at the apex. Capsule depressed, trilobed, about 1 1/4 in. in diam., lobes very slightly keeled. Seeds mottled, broadly ellipsoid, a little over 3/4 in. long.
