Shrub or small tree; young shoots glabrous. Leaves in whorls of up to three, at the ends of the branches, 2-8 x 1-6.5 cm, broadly rhombic, apex acute with tip blunt, lower surface covered with long brown hairs; petioles densely brown-villose above, glabrous below. Pedicels covered with brown pubescent hairs. Flowers 1-2 per inflorescence, appearing before the leaves; calyx minute; corolla rose-purple, funnel-campanulate, 20-30 mm; stamens 8-10; ovary densely pale brown villose, style glabrous. Flowering May. Royal Horticultural Society (1997)
Distribution Japan Honshu, Kyushu
Habitat 200-1,000 m
RHS Hardiness Rating H6
Conservation status Least concern (LC)
R. nudipes is allied to R. reticulatum (q.v.). Royal Horticultural Society (1997)
Var. kirishimense is said to differ in its pubescent young shoots and smaller leaves (1.5-4.5 x 1.2-3cm) with apex obtuse, may be in cultivation.