A scandent half shrub a metre or occasionally up to 2 m in height, the flowering branches being 4-6 mm thick, pubescent with hairs of variable length; the middle internodes averaging 4-5 cm long. Leaves reniform-orbicular, cordate at the base, 6-7 cm broad, 4-5-5 cm from the petiole attachment to the apex, pubescent below, sparsely pubescent or glabrescent above without zonal marking, 5-lobed; the lobes often trilobulate and irregularly crenate or crenate-dentate; petiole 3-6 cm long; stipules ovate, ovate-oblong or ovate-lanceolate, up to 1 cm long. Peduncle 9-14 cm long, pubescent with long simple hairs and short glandular or eglandular hairs, about 15 flowered; bracts 6-S, similar to the stipules. Flowers pedicellate; the pedicels 3-3.5 cm long, united with the calyx-spur nearly throughout its length, glandular-pubescent with hairs of varying lengths. Sepals linear-oblong or oblong-lanceolate, about 1 cm. long, acute, with few long simple hairs and densely covered with short glandular hairs. Petals subequal, obovate or obovate-cuneate, rounded at the apex, 1-5 cm long, the 3 lower ones 9-10 mm broad, the 2 upper ones 7.5-8 mm broad, mauvish-pink (mallow pink R.C.S.). Stamens 10, 7 fertile. Ovary densely villous.
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