Lotononis filiformis B.-e.van Wyk

Very sparse perennial herb, up to 1 m wide. Branches long, slender, sparsely leafy, glabrescent, reddish-brown; twigs minutely strigillose. Leaves digitately trifoliolate; petiole (4-)7-14(-22) mm long; leaflets linear, thick in texture, (4-)8-22(-26) x (0.5-)1-1.5(-2) mm, inconspicuously strigillose on both surfaces. Stipules consistently present, single or paired at each node, narrowly lanceolate, (2-)4-8(-10) mm long. Inflorescences leaf-opposed, slender, long-pedunculate, 25-120 mm long, invariably single-flowered; bracts small, up to 1.5 mm long; bracteoles absent. Flowers relatively large, 8-12 mm long, blue; pedicel 3-8 mm long. Calyx 8-10 mm long, subequally lobed, minutely strigillose; lobes narrowly oblong. Standard broadly ovate to suborbicular, 7-12 mm long, minutely pubescent on the middle part of the dorsal surface, deep blue with yellow at the base. Wing petals oblong, longer than the keel; apex rounded; sculpturing in 2-3 rows of mostly transcostal lunae and lamellae. Keel petals semicircular, obtuse, auriculate and pocketed near the base. Anthers dimorphic. Pistil 9-11 mm long; ovary linear, 6-9 mm long, pubescent; style erect. Pods narrowly oblong, 14-20 x 3-4 mm, laterally much inflated, ±5-8-seeded, minutely strigillose, lower suture sunken, upper suture verrucose, dehiscent. Seed suborbicular, ±2 mm in diameter; testa reddish brown, dark brown or almost black, densely tuberculate; funicles up to 1.2 mm long.