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Shrub, 1.5-5m. Leaves 10-18 x 2.5-6cm, elliptic-oblanceolate, base broadly cuneate, lower surface entirely glabrous. Flowers c.10 in a truss; calyx 1-2mm; 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.
Distribution China (Sichuan, Hubei).
RHS Hardiness H4b.
Awards AM 1954 (Col Lord Digby, Minterne, Dorset); flowers white, with a pinkish blue flush and crimson chocolate blotch.
R. praevernum is closely allied to R. sutchuenense and apparently hybridizes with it in the wild.