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Shrub to 1.5m, mostly terrestrial; young twigs only very finely scaly quickly glabrescent. Leaves 5.5-8 x 0.7-1.5, narrowly elliptic to almost linear, the apex acute, the margin entire, slightly revolute in the basal half, the base narrowly tapering; the upper surface at first finely pale brown-scaly, quickly glabrescent, midrib slightly impressed in the basal half, smooth in the upper part, lateral veins 4-6 pairs, smooth; lower surface with the midrib very slightly raised throughout its length, the laterals smooth, the scales small, lobed and sparse. Flowers 1-6 per umbel, horizontal to half hanging; calyx a low minutely scaly ring; corolla opening orange and darkening to reddish with age, funnel-shaped, 2.5-4 x 2-3cm, glabrous outside; stamens 10, slightly dimorphic, arranged regularly around the mouth of the flower; ovary densely white-hairy and with small brown scales, style glabrous.
Distribution Borneo (Sabah, Kinabalu to Mt Lotung).
RHS Hardiness H1b.
This is closely allied to R. stenophyllum but may be distinguished by its broader leaves.