Stems scrambling or climbing, (80-)150-500(-700) mm long, sparingly to much branched, at least younger parts densely covered with short curled whitish hairs, often purplish. Leaves in whorls of (6-)8(-10), (3-)5-12(-15) x 0.5-1.5(-2.0) mm, linear to narrowly lanceolate or oblanceolate; surfaces often shiny, glabrous, occasionally a few small mostly recurved prickles on reflexed margins. Peduncles and pedicels glabrous. Flowers: corolla (2-)2.5-4 mm in diam., bright to pale yellow. Fruit glabrous, ± tuberculate or granulate; each mericarp c. 1 mm in diam.
Scrambling or climbing, perennial herb, up to 700 mm high. Stems at least younger parts densely covered with short, curled, whitish hairs, often purplish. Leaves in whorls of 6-8(-10), up to 12(-15) mm long, linear to narrowly lanceolate or oblanceolate, sessile, glabrous, sometimes with few, small, recurved prickles on margins. Flowers: inflorescence many flowered; peduncles and pedicels glabrous; corolla 4-merous, bright to pale yellow; Nov.-Feb. Fruit with glabrous, ± tuberculate or granulate mericarps.