Rhododendron stenophyllum Hook.f. ex Stapf

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'Rhododendron stenophyllum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-stenophyllum/). Accessed 2020-01-20.

Genus

Other species in genus

Glossary

endemic
(of a plant or an animal) Found in a native state only within a defined region or country.

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Credits

New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron stenophyllum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-stenophyllum/). Accessed 2020-01-20.

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.

Habitat 1,500-2,400m.

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).


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