Acmadenia flaccida Eckl. & Zeyh.

Shrubs up to 1 m tall, slender, diffuse, single-stemmed at base. Branches few, dichotomous, rod-like, smooth, glabrous, brown, exocortex splitting off. Branchlets arising in pairs to either side of the main stem which terminates in an inflorescence, very slender, smooth, straight, glabrous, gland-dotted. Leaves up to 15 mm long, 3.7 mm broad, lanceolate, acute, mucronate, fairly flat, glabrous, glaucous, sessile, erect, opposite; margins crenulate, gland-dotted at the nodes, quite thick; midrib gland-dotted, gibbous behind the apex. Inflorescence terminal, up to 3 opposite pairs of flowers on a short peduncle; flower 7.5 mm diam., white, pedicellate, stands open. Bract 4 mm long, 1 mm broad, leaf-like. Bracteoles two, 1.2 mm long, 0.3 mm broad, leaf-like, much reduced, situated at the base of the pedicel. Calyx lobes five, 2.5 mm long, 1.3 mm broad, oblong, sub-acute, glabrous, glaucous, purplish towards the midrib, margins thin. Petals five, 3-5.3 mm long overall; limb 1.5-2.3 mm diam., orbicular, spreading; claw 1.5 mm long, 1.1 mm broad, pubescent about the middle, sparsely ciliate towards the middle at the sides. Staminodes five, 0.5-1.1 mm long, with a conical gland at the apex, glabrous. Filaments five, becoming 0.9-1.6 mm long, subulate, glabrous. Anthers five, 0.75 mm long, 0.75 mm broad, pinkish-orange, apical gland with a long tapering point completely deflexed between the lobes of the anthers. Pollen 48-54 µ long, 22-25 µ broad, oblong. Disc obvallate, green, exudes nectar, equalling the stigma at first. Stigma 0.6 mm diam., capitate, flat on top, 5-lobed, green, glossy. Style becoming 1.2-1.3 mm long, erect, glabrous. Ovary 5-carpellate, 0.9 mm long, 0.8 mm diam., glabrous, apices globose. Fruit 5-carpellate, usually 4 aborted, 1 fertile, 12 mm long, 2.8 mm broad, glabrous, gland-dotted, pinkish; horn 5.5 mm long. Seed 5 mm long, 2.3 mm broad, black, matt; aril white.