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Usually an epiphytic shrub (in the wild), in cultivation 1-3 m; young shoots setose. Leaves (7.5-)10-17 x 3.5-7 cm, usually narrowly elliptic, apex rounded, margins often crenulate, upper surface with raised midrib, lower surface greyish, with small unequal reddish scales that are more than their own diameter apart. Flowers 2-3 in a loose terminal inflorescence, slightly scented, pedicels pubescent and scaly; calyx lobes 10-15 mm, pubescent on outer surface; corolla white or cream, often yellowish inside, sometimes with five reddish lines running up lobes, narrowly funnel-campanulate to funnel-campanulate, 85-105 mm; stamens 10; ovary scaly, tapering into the style that is scaly below. Flowering April-May. Royal Horticultural Society (1997)
Distribution Bhutan China S Tibet India Sikkim, W Bengal, Arunachal Pradesh
Habitat 1,800-2,600 m
RHS Hardiness Rating H3
Conservation status Least concern (LC)
Corolla lacking longitudinal lines.
Distribution Nepal, India (Sikkim, W Bengal), Bhutan, China (S Tibet).
Awards AM 1930 (Vice Adm. A.W. Heneage-Vivian, Clyne Castle, Swansea); flowers soft yellow, shaded green in tube. AM 1974 (Maj. A.E. Hardy, Sandling Park, Kent) to a clone ‘Tom Spring Smythe’; flowers green, fading to greenish white. FCC 1974 (Maj. A.E. Hardy, Sandling Park, Kent) to a clone ‘Frank Ludlow’, from L., S. & T. 6694; flowers white, stained yellow at base internally
R. rhabdotum Balf.f & Cooper
Corolla with five longitudinal red lines. Royal Horticultural Society (1997)
AM 1931 (Lady Aberconway & Hon. H.D. McLaren, Bodnant). FCC 1936 (L. de Rothschild, Exbury). AGM 1993
This species is closely allied to R. lindleyi but may be distinguished by the pubescent pedicels. The small differences between the two varieties do not justify their recognition as separate species. Royal Horticultural Society (1997)