Otholobium prodiens C.H.Stirt. & Muasya

An erect shrub up to 250 cm tall, crown open, leafy at branch tips only; stems grey, coarse, fissured; young shoots finely pubescent, greenish brown. Leaves digitately trifoliolate, shortly petiolate. Leaflets 10-19(-30) x 4.5-6.5(-9) mm, laterals and seasonal leaves much smaller; obovate, base cuneate, apex emarginate, recurved mucronate, mucro arcuate, held at 45°, glands on both surfaces but obscure below, impressed above, yellowish when fresh, reddish black when dry; young leaves hairy on mid-rib and margins of both surfaces, glabrescent; petioles 2-2.5 mm long. Stipules 1-2 mm long, caducous. Inflorescences 2-3 congested at the ends of seasonal shoots, comprised of 1-3 triplets of pedicellate flowers; pedicels 2 mm long; each triplet subtended by a multi-nerved, ciliate, truncate or acute, oblong, 1-1.5 mm long bract; peduncle absent. Flowers 8-10 mm long, white or cream, each flower subtended by a persistent 1.5 mm long, lanceolate, hairy bract. Calyx teeth unequal, strongly ridged, 7-8 mm long, vexillary lobes fused above the tube, teeth longer than the tube; carinal tooth longest, 5 mm long; narrowly triangular; apex acuminate; glands scarcely visible, small; sparsely black pubescent. Standard 8-8.5 x 4.5-5.5 mm, claw 1.5-2 mm long, oblong-elliptic, auriculate, inner surface of standard lightly suffused with purple near the apex, pale mauve on the sides; a large white nectar guide extends from the base almost to the apex; sides scarcely reflexed at anthesis. Wing petals 8-9 x 2 mm, claw 2-3 mm long; longer than keel petals, cream to white, auriculate; sculpturing present, upper basal and upper left central, comprising from 10-15 transcostal lamellae. Keel petals 5-7 x 2 mm, claw 3 mm long, purple-tipped, apex rounded. Androecium 6-7 mm long, pseudomonadelphous, fenestrate. Pistil 5-6 mm long; ovary 1 mm long, glabrous or few haired, stalked, glandular at apex, style broadest at point of flexure, height of curvature 2 mm, penicillate. Fruit sparsely pubescent, 5.4-5.5 x 2.8-3.2 mm. Seed 3.2-3.3 x 2.3-2.5 mm, dark brown; hilum protruding, central.