Rhododendron sphaeroblastum Balf.f. & Forrest

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'Rhododendron sphaeroblastum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-sphaeroblastum/). Accessed 2020-08-12.

Genus

Other species in genus

Glossary

coriaceous
Leathery.
indumentum
A covering of hairs or scales.

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Credits

New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron sphaeroblastum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-sphaeroblastum/). Accessed 2020-08-12.

Shrub 1-3(-7) m. Leaves (6-)9-12 x 3.6-6.2 cm, broadly ovate-lanceolate, apex acute to apiculate, lower surface covered with a dense two-layered indumentum, the upper layer usually rust-red, lanate-tomentose, composed of ramiform hairs, the lower compacted; petioles glabrescent. Flowers 10-20, in a dense truss; calyx 1.5-2 mm; corolla white to pink, with purple flecks, funnel-campanulate, nectar pouches lacking, 35-40 mm; ovary and style glabrous. Flowering April-May. Royal Horticultural Society (1997)

Distribution  China N Yunnan, SW Sichuan

Habitat 3,350-4,550 m

RHS Hardiness Rating H6

Conservation status Least concern (LC)

This species is closely allied to R. taliense and to R. mimetes. Plants from NE Yunnan have been referred to var. wumengense K.M.Feng. These are said to differ in the thinly coriaceous leaves with a fulvous-cinereous-indumentum. Royal Horticultural Society (1997)

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