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Shrub or small tree; young shoots villose. Leaves in whorls of up to three, at the ends of the branches, 3-5 x 2-4cm, rhombic, apex acute, tip blunt, lower surface sparsely villose, more densely so on the midrib; petioles densely villose. Pedicels with eglandular or glandular hairs. Flowers 1-2 per inflorescence, appearing before the leaves; calyx minute; corolla rich rose-pink, funnel-campanulate, 22-30mm; stamens 10; ovary densely villose; style stalked-glandular in lower half.
Distribution Japan (SE Honshu).
RHS Hardiness H4a-b.
A distinctive species on account of its glandular style.