Rhododendron rarum Schltr.

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New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron rarum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-rarum/). Accessed 2020-12-02.

Genus

Other species in genus

Glossary

prostrate
Lying flat.

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Credits

New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron rarum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-rarum/). Accessed 2020-12-02.

Delicate shrub up to 1 m, epiphytic, young stems densely brown-scaly at first, quickly glabrescent. Leaves 2-5.5 x 0.5-1.2 cm, narrowly elliptic to sublinear, the apex acute although with the very tip rounded, margin narrowly cartilaginous, slightly irregular, flat to slightly recurved, the base broadly tapering to rounded; upper surface minutely brown-scaly at first, quickly glabrous, midrib impressed, lateral veins obscure; lower surface with the midrib raised, lateral veins obscure, scales brown, well spaced at maturity, dendroid and easily removed but leaving the protruding epidermal bases. Flowers 1-4 per umbel, half hanging to hanging; calyx a low brown-scaly ring; corolla red, curved-cylindrical, 2.5-3.5 x 2-2.7 cm, finely but densely scaly outside; stamens 10, grouped in the upper side of the mouth of the flower; ovary densely stellate-scaly, style scaly in the lower third or half, above this with simple hairs and finally near the top glabrous. Royal Horticultural Society (1997)

Distribution  Papua New Guinea Western and Eastern Highlands Provinces

Habitat 1,500-3,400 m

RHS Hardiness Rating H2

Conservation status Least concern (LC)

Its prostrate to hanging habit make it an ideal species for hanging baskets and it is the parent of a number of lovely hybrids which can similarly be displayed. Royal Horticultural Society (1997)