Records determined by Staples

Herb; 70 cm, erect. Stems reddish-tan. Flowers bright sky blue. Filaments bluish-white, anthers yellow-brown, pollen white. Locally common among rocks in shade.

Spreading herb; rare; on deep Kalahari sands; leaves green with cream streaks; fruits light green, enclosed in green hairy calyx.

Scrambling vine; to 6 m; elastic vines; in ground and floating on water; buds light purple; corolla bright purple.

Twinning climber. Stems light green; leaves dark green, light underneath; flowers white.

Common vine especially along the road in grassland. Fruits enclosed in elongate bracts.

Widespread; among rocks; flowering in morning, fading before noon; scrambling along ground among grasses; calyx green; corolla bright pink-purple with lighter streaks; upper stems purple.

Creeping plant; stem light green; leaves rough on both sides, dark green adaxially, light green abaxially with white hairs; flowers light pink.

Occasional, in sun, upright then twining on grasses, stem light purple-pink; calyx deep green; corolla bright blue, light white at base inside, anthers white.

Vine; twining in vegetation. Calyx green with silver-white hairs. Corolla bright royal blue, anthers white. Occasional.

Vine; scrambling in vegetation. Stems red-brown. Leaves sandpapery rough. Calyx green with fuzzy white hairs. Corolla sky blue, anthers white. Common.

Common, among grasses, to 2 m. Leaves green. Flowers blue. Bracts green. Calyx light green. Corolla blue. Anthers cream.

Sprawling; stems light green with a brown tint at base; leaves light green; flowers light green bracts; anthers brown.

Occasional; shrub to 1.5 m tall; stems with purple tinge; young leaves and stems covered with silvery hair; calyx light green; corolla bright purple.

Shrub; common rocky fringes of woodland, to 1.7 m high. Stems and leaves bluish green. Leaves with white, wooly hairs. Corolla pink. Calyx light green.