root woody; stems diffuse or prostrate, puberulous; leaves subsessile, elliptical or oblong, obtuse, mucronulate, midribbed, with reflexed margins and a paler under side; racemes lateral, 2–8 flowered; pedicels not longer than the flower; bracts ovate, deciduous; alæ sub-herbaceous, elliptical, mucronate, with white edges, ant. sepals ovate, sharply mucronate, concave; keel with a multifid crest, lat. petals broadly cuneate, truncate, on long claws; capsule sharply notched, broader than long, with a wide, marginal wing. Stems decumbent, 6–12 inches long or more, subsimple or much branched, slender. Flowers small, with green alæ, and purple or flesh coloured keel and petals: the petals large (in proportion) and standard-shaped.
