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Much-branched shrub, 1-2.5 m; young shoots and petioles densely covered with adpressed stiff broad flattened chestnut-brown hairs. Leaves of two kinds; spring leaves deciduous, 2-5 x 0.5-1.5 cm, oblanceolate to narrowly obovate, apex acute, gland-tipped, both surfaces sparsely covered with stiff hairs, especially on midrib; summer leaves persistent, 1.5-3 x 0.2-0.6 cm. Pedicels densely covered with stiff chestnut-brown hairs. Flowers 1(-2) per inflorescence; calyx c.1 mm; corolla pink or carmine to scarlet, funnel-campanulate, 25-40 mm; stamens 10; ovary densely covered with stiff grey or chestnut-brown hairs, style usually glabrous. Flowering March. Royal Horticultural Society (1997)
Distribution Taiwan N
Habitat c.400 m
RHS Hardiness Rating H2
Conservation status Extinct in the wild (EW)
This species is apparently closely allied to R. tashiroi. Royal Horticultural Society (1997)