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Erect shrub, 1(-1.3) m. Leaves (0.6-)0.8-2 x (2-)4-8 mm, elliptic to broadly elliptic or oblong, apex acute to obtuse, clearly or obscurely mucronate, lower surface covered with uniformly fawn to ferrugineous touching scales. Flowers 3-4(-6) per inflorescence; calyx 2-3 mm, lobes sometimes irregular, strap-shaped or deltoid; corolla deep purplish blue, rose-lavender or rarely white, broadly funnel-shaped, outer surface glabrous or minutely puberulous, 11-14(-17) mm; stamens (8-)10, about as long as corolla; style about as long as stamens, glabrous or hairy at base. Flowering April-May. Royal Horticultural Society (1997)
Distribution China W Yunnan, SW Sichuan
Habitat 3,200-4,300 m
RHS Hardiness Rating H6
Conservation status Vulnerable (VU)
Taxonomic note (incl. R. glomerulatum Hutch.) Royal Horticultural Society (1997)
R. yungningense may be distinguished from the allied R. orthocladum by its broader leaves. Royal Horticultural Society (1997)