Acmadenia nivea I.Williams

Shrubs 200-300 mm tall, slender, diffuse, branching from a single stem at base. Branches few, somewhat lax, glabrescent, reddish-brown, sparingly dichotomous. Branchlets few, slender, erect, sparsely puberulous, reddish-brown. Leaves 6-8 mm long, 1.5-1.8 mm broad, lanceolate, acute, rubro-mucronate, short-petiolate, glabrous, with 2 rows of gland dots, adpressed or sub-spreading, alternate or at the base sometimes opposite; margins broadly translucent, thin, ciliate or eciliate. Inflorescence terminal, up to 7-aggregate; flower 6 mm diam., sessile, pure white, contracted at the throat. Bract 2.7-5 mm long, 0.7-1.3 mm broad, the outermost leaf-like, the inner becomingly lanceolate, rubro-mucronate, glabrous, gland-dotted, sessile; margins towards the base broadly translucent, ciliolate. Bracteoles two, 2.3 mm long, 0.6 mm broad, lanceolate, rubromucronate, ciliolate; margins translucent below. Sepals five, 2.8-3 mm long, 1.5 mm broad, elliptic, glabrous, ciliate, rubromucronate; margins broadly translucent. Petals five, 5 mm long bent inwards at the throat; limb 1.8 mm broad, elliptic, glabrous, pure white, spreading; claw glabrous, translucent, ciliate above or eciliate. Staminodes five, varying from 0.09 mm to 0.5 mm vestigial, arising on the outside of the disc. Filaments five, becoming 1 mm long, glabrous, acicular, erect. Anthers five, 0.9 mm long, 0.6 mm broad before anthesis, wine coloured with a minute apical gland. Stigma 0.3 mm diam., depressed globose, green, capitate. Style becoming 0.5 mm long, glabrous, erect. Ovary 3-carpellate or (as in Esterhuysen 15245) 4-carpellate, 0.5 mm diam., globose, glabrous; carpel bifid at the apex. Fruit 3-4 carpellate, short-pedicellate, 3.5 mm long, glabrous; horns paired, extremely short. Seed 2.3 mm long, 1.5 mm broad, egg-shaped, black, shining.