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A small erect shrub. It grows each year from a rootstock. It flowers before the adult leaves are produced. The plant is densely covered with a red coating. The stem is cylinder shaped. It usually does not have tendrils. The leaves are simple. The leaf blade is 23 cm long by 22 cm wide and almost round. The base is heart shaped. The flowering stalks are opposite the leaves. The flower petals are purple. The fruit are 9 mm long by 6 mm wide.
Leaves simple; petiole 4–18 cm. long; leaf-lamina up to 23 × 22 cm., circular to broadly ovate, apex obtuse, sometimes obscurely 3-lobed, margin dentate or sinuate-dentate, base deeply cordate; stipules up to 15 × 8 mm., densely pubescent outside, glabrous within.
Erect shrublet from perennial rootstock, flowering before adult leaves are produced; whole plant except petals and ovary densely ferruginous-tomentose; stem cylindric.
Cymes leaf-opposed; peduncle 2–4 cm. long; pedicels congested, 4 mm. long, lengthening to 10 mm. in fruit; bracts and bracteoles up to 4 mm. long.
Ovary glabrous; style 1 mm. long; stigma subcapitate.
Flower-bud 3 mm. long, puberulous towards apex.
Fruit 9 × 6 mm., glabrous.
Tendrils usually absent.
Calyx 1 mm. long.
Petals purple.
