Euadenia

Sparsely branched subshrubs, +/-glabrous. Leaves trifoliolate, long-petiolate; leaflets elliptic to oblong-elliptic with acute to acuminate apex and cuneate base, entire. Inflorescences elongate, terminal racemes; floral bracts simple, narrowly lanceolate to subulate. Flowers irregular, green. Sepals 4, imbricate, free, lanceolate to oblong-lanceolate, 3-nerved, glabrous, caducous. Petals 4, free, alternisepalous, in 2 dimorphic pairs: upper pair unguiculate, spathulate, 3 times larger than lower pair. Stamens comprising 5 fertile ones with filaments free almost to base, and 4(-7) staminodes with filaments fused into a staminodial column crowned by sterile anthers; androgynophore absent. Ovary cylindric, 1-locular, glabrous, on a long gynophore; placentas 2, parietal; ovules many, arranged in 2 rows on each placenta; replum glabrous; stigma +/-sessile and capitate. Fruit +/-cylindric and torulose. Seeds many, +/-reniform; endosperm absent or scanty; embryo curved.