Sepals acute or obtuse, subequal
Corolla small, funnel-shaped, lobes usually short
Ovary 2-locular, 4-ovuled, hairy above; style bifid, usually to the base; stigmas ± peltate, sometimes bilobed
Small intricately branched herbs or subshrubs with prostrate or erect branches; the old branches sometimes becoming spinescent
Leaves small, variously shaped, usually with medifixed hairs
Flowers pentamerous axillary or in terminal spikes or dense few-flowered cymes
Corolla small, funnel-shaped, the limb usually shallowly lobed; the midpetaline areas hairy at least at the tips.
Sepals acute or obtuse, subequal or the outer ones slightly larger.
Stamens inserted low down in the corolla tube; filaments filiform, dilated at the base and often appendaged; anthers oblong; pollen smooth.
Ovary 2-locular, 4-ovuled, hairy above; style bifid almost or quite to the base; stigmas more or less peltate and orbicular, sometimes bilobate.
Seeds dark brown or black, glabrous.
Small prostrate to erect shrubs or suffrutices, neber climbing, intricately branched, more or less pubescent; the old branches sometimes becoming spinescent.
Leaves variously shaped, entire, small, usually with medifixed hairs.