terminal leaflet 6-7 cm long, 4.5-5.6 cm wide, the laterals 5-5.5 cm long, 3-3.5 cm wide. Inflorescence composed of axillary and terminal racemes or highly branched panicles; rachises angulate, striate, densely uncinulate pubescent with stout, yellowish, hooked trichomes underlain by minute, white trichomes; pedi-cels borne in pairs, each pair subtended by a primary bract; secondary bracts each subtending a single pedicel only rarely seen; primary bracts ovate acuminate, striate, ciliate, puberulent on abaxial surface, early deciduous, 5-7 mm long, 2.5 mm wide40; pedicels uncinulate puberulent, 4-7 mm long. Flowers with the calyx appressed pilose on the teeth of both lobes, quickly reflexing almost completely at flower maturity, then disintegrating, central tooth of lower lobe 5 mm long, lateral teeth 3.4 mm long, upper bifid lobe 3 mm long4l; corolla42 magenta to white, the standard orbicular, scarcely clawed, 4.5 mm long and broad, the wings almost rectangular, short clawed and slightly auriculate, truncate at apex, 5.5 mm long, 4 mm wide, keel petals partially fused, each scythe shaped and tapering to a slender base, 5 mm long, 1.5 mm wide at apex. Loment stipitate, (1-)2-3-articulate, the stipe slightly pubescent, becoming glabrate, 3-4 mm long; articles nearly orbicular, with a narrowly V-shaped notch ca. 2.5 mm deep on the dorsal suture, shoulders becoming somewhat beaked, the articles often overlapping, ciliate with both hooked and tapering trichomes, puberulent to glabrous on sur-faces; seed reniform, reddish to brown, almost centrally placed in the article but not filling it, long funiculate, ca. 3.5 mm long, 2.5 mm wide.
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Sprawling, subscandent vine; stem angulate, ridged and grooved, uncinulate pubescent with somewhat spreading stout, hooked, yellowish trichomes mostly on the ridges and with some puberulence of short, straight, pointed, white tri-chomes intermixed. Leaves trifoliolate, stipulate; stipules early deciduous, obliquely ovate, long acuminate, striate, ciliate, and somewhat soft pilose over abaxial surface, 5-7.5 mm long, 3-5 mm wide at base; petioles adaxially sulcate, ridged and grooved, sparsely to densely uncinulate puberulent to pubescent, 3-7 cm long, the leaf rachis similar to petiole, 1.5-2.5 cm long; stipels linear atten-uate to narrowly deltoid attenuate, striate and ciliate, persistent, 2-3.5 mm long; petiolules greenish to dark brown, rugose, patent pilose with slender tapering trichomes, 2-3 mm long; leaflets ovate, obtuse to acute at apex, the terminal cuneate, the lateral leaflets rounded at base, the margins ciliate, adaxial surface bright to dark green, sometimes brownish in age, uncinulate puberulent along the midrib and the chief lateral veins or this puberulence somewhat scattered, sparse-ly to abundantly spreading pilose with straight tapering trichomes between them, or the 2 types intermixed, abaxial surface always paler, abundantly soft pilose with slender tapering trichomes, the midrib and the lateral veins prominent, the