Scandent shrubs or woody vines; branches terete, softly pilose. Leaves oval, oblong-ovate or ovate, obtuse to rounded, sometimes emarginate apically, broadly rounded or truncate basally, 3.5-9.5 cm long, 2-3.5(-4) cm wide, chartaceous, veins densely reticulate and prominulous on both sides, somewhat shining, sparse-ly pilose (usually more densely on margin) or glabrescent above, softly and densely velvety-pilose beneath, especially along the veins; petioles pilose, 2-4 mm long. Racemes loose or somewhat dense, terminal; peduncles 1 cm or less long, the axis 2.2-5 cm long, pilose; bracts lanceolate, acute to acuminate, pilose, decid-uous, 1.8-2 mm long. Flowers pink; pedicels short-pilose, 5-8 mm long; outer sepals oval, rarely suborbicular, rounded, densely pilose on the outside except near the ciliate margin, the largest 3.5-5 mm long, the smaller two 2.6-4 mm long; wings suborbicular, broadly rounded apically, usually emarginate, short-clawed basally, the margin ciliate, the outside pubescent (including the claw), 9-12 mm long, 6-9 mm wide; upper petals obovate or obovate-spatulate, rounded,
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usually undulate apically, attenuate and gibbous toward the base, glabrous, 8-1 1 mm long; keel 9.5-13 mm long, as folded together 5-6 mm wide, the apex form-ing a narrow, few-plicate, minutely toothed crest less than 1 mm long, some-times obsolete, the keel ciliate on the margin, sometimes sparsely puberulent on the outside, puberulent inside on ca the basal half of the saccate portion; staminal sheath pubescent basally, the free portion of the filaments 2-2.8 mm long; ovary compressed-ellipsoidal, densely pubescent, 1.2-1.8 mm long, 0.8-1 mm wide, the style 7.5-1 1 mm long, the stigma 2-lobed, approximate. Samara densely short-pilose, 4.5-7 cm long, plump, elevated-reticulate, 7-11 mm long; wing obovate, narrower basally, 4-6 cm long, 14-22 mm wide near middle.
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