Petals 6, in two whorls, the outer valvate, the inner valvate above and open below, expanding and spreading at anthesis or the inner whorl remaining connivent at the apex, free, subequal, thick.
Sepals 3, valvate, free or united at the base, not enclosing the petals in bud, with plane margins, densely brown-or golden-sericeous outside, glabrous within.
Carpels ?, cylindric, with numerous ovules in two rows; style very short; stigma truncate, horse-shoe-shaped.
Stamens very numerous, linear, with thecae lateral or extrorse and connective-prolongations capitate.
Ripe carpels indehiscent, ovoid or ellipsoid to cylindric, straight, subsessile, many-seeded.
Bracteoles 2–6, usually biseriate, forming an involucre in sessile flowers.
Flowers bisexual, solitary or paired, axillary, sometimes on the old wood.
Shrubs or trees, not climbing, with simple hairs.
Seeds ± horizontal; aril absent.
Buds depressed-globose.