Records determined by Alan Paton

Herb, common in open areas in woodland. Stems cream-green with white hairs. Flowers caducous blue to cream.

Annual herb; in woodland on Kalahari sands; whole plant light green; stem with sparse white hairs; leaves aromatic; flowers blue with white tints around the bases; calyx green.

Herb approx. 30 cm tall; stems soft, light green; leaves light green; flowers purplish blue.

Occasional; in cassava field; stems red-purple; leaves pale green; pedicels red-purple; corolla tube white, blue on lobes.

Herbaceous; to ca. 30 cm; stems hard, red at base, light green towards apex; flowers purple-blue; roots fibrous, white.

Bracts pale lilac.

Occasional; fetid smelling herb to 1.5 m; in woodland; upper bracts tinged white at base though purple to green at tip; corolla white with tinge of purple.

1.5 m; uncommon herb. Inflorescence white ending in purple.

Occasional; on dambo margin and on termite mounds; calyx light green-yellow; corolla white becoming brown; flesh around fruit orange.

Shrub in forest patch; calyx green; corolla white, weakly wooded; style white, slightly aromatic.

Arching shrub; to 2 m tall; on flanks of termitaria; leaves light green; calyx very light green; corolla all white; fruit light green to cream to soft orange.

Scrambling shrub 3 m tall; perianth white; "generic herbal" fragrance. Very common.

Herb; 1.5 m, erect. Plant with white hairs. Calyx white to green pubescent. Corolla white, pubescent; anthers dark orange-red.

Erect to 30 cm. Stems light green to yellowish-green; leaves dark green; flowers white to creamy.

Frequent herb to 1.5 m; light green; calyx light green, longitudinally, striped darker green; corolla light purple; filaments light purple; anthers brown; aromatic.

Occasional and widely scattered suffrutex; calyx green, lobes edged in deep purple; corolla tube outside and lower petals light pink; upper petal lobes deeper pink with purple streaks; filaments light pink at base, deeper pink at tip.

Flowers white with purple edges. Purple filaments, brown anthers.

Widespread and abundant; weedy; to 2 m tall; stems purple-red at flowerinig; bracteole dark purple; corolla deep purple; foetid smell to plant.

Occasional; in open disturbed areas; not common; to 1.5 m tall; base of stem red; calyx and bracts light green, corolla bright blue, with shiny resin dots; slight odor.

Occasional in burned over grassland; in woodland from woody rhizome; flowers deep purple.

Shrub; to 1.5 m; stems golden brown; upper bracts purple; in bud only; corolla light, possibly white.