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Shrub to 3m, usually terrestrial; young stems smooth and very finely scaly. Leaves 4-7 x 0.14-0.5cm, linear, the apex acute, the margin entire and flat, the base narrowly tapering; upper surface with small fine scales at first quickly becoming glabrescent, midrib a little impressed above, the lateral veins up to 7 pairs but obscure; lower surface with the midrib smooth and laterals obscure, the scales sparsely distributed, substellate with small centres. Flowers 1-5 per umbel, held horizontally or half hanging; calyx a low scaly ring; corolla opening orange but turning red with age, campanulate, 2.5-3.5 x 3-4.5cm, glabrous outside; stamens 10, slightly dimorphic, arranged all round the mouth of the flower; ovary densely white hairy, style glabrous.
Distribution Sabah, Brunei and Northern Sarawak.
RHS Hardiness H1b.
This species with its bizarre leaves is relatively easy to cultivate, it occurs in two distinct subspecific forms: subsp. stenophyllum is endemic to Mt Kinabalu and has leaves less than 25× as long as wide (2.5-6mm wide); subsp. angustifolium is of much wider distribution in the wild and has leaves more than 30× as long as wide (1.4-2.2mm wide).