Calyx 0·45 cm. long, unlobed, urceolate in flower, becoming cyathiform in fruit, coriaceous and rugose in lower half, membranaceous distally, densely velutinous–tomentose outside especially towards the base, densely hairy within.
Female flowers solitary or in 2–3–flowered cymules; peduncle densely hairy, 0·3–0·6 cm. long, upper part slightly swollen and greatly increasing in thickness as fruit develops.
Shrub, or small tree 2–9 m. high with one or many stems; bole sometimes fluted at base; older branchlets and branches with large, sharp–pointed spines.
Male flowers at ends of 0·2–0·7 cm. long, very hairy peduncles; bracts usually inconspicuous, 0·25 x 0·1 cm., very rarely foliaceous.
Ovary 0·3 x 0·2 cm., glabrous, style 0·2 cm. long, stout, simple, hairy in upper half, obscurely lobed at apex.
Corolla c. 1·3 cm. long, rotate, almost glabrous; tube 0·6–0·7 cm. long; lobes 4, ovate, acute and apiculate.
Bark grey, smooth and peeling to reveal cream underlayer, or rough and blackish (? fire damage).
Calyx 0·4–0·7 cm. long, botuliform, splitting at apex into 2–4 short teeth, densely pubescent.
Fruit c. 2·2 x 2 cm., ellipsoid to subglobose, glabrous except at base of persistent style.
Branchlets densely grey– or fulvous–pubescent or tomentose with spreading flexuose hairs.
Stamens c. 20; anthers apiculate, glabrous.
Corolla similar to male.
Pistillode absent.
Staminodes absent.
Seeds 8 or fewer.