Shrub, 1.5-5 m. Leaves 10-18 x 2.5-6 cm, elliptic-oblanceolate, base broadly cuneate, lower surface entirely glabrous. Flowers c.10 in a truss; calyx 1-2 mm; corolla 5-lobed, white, sometimes suffused with pink, with flecks and a conspicuous basal blotch, campanulate, nectar pouches lacking; stamens 10; ovary and style glabrous. Flowering February-April. Royal Horticultural Society (1997)
Distribution China Sichuan, Hubei
Habitat 1,500-2,500 m
RHS Hardiness Rating H6
Awards AM 1954 (Col Lord Digby, Minterne, Dorset); flowers white, with a pinkish blue flush and crimson chocolate blotch.
Conservation status Least concern (LC)
R. praevernum is closely allied to R. sutchuenense and apparently hybridizes with it in the wild. Royal Horticultural Society (1997)