Rhododendron calvescens Balf.f. & Forrest

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'Rhododendron calvescens' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-calvescens/). Accessed 2020-08-07.

Genus

Infraspecifics

Other species in genus

Glossary

hybrid
Plant originating from the cross-fertilisation of genetically distinct individuals (e.g. two species or two subspecies).

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Credits

New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron calvescens' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-calvescens/). Accessed 2020-08-07.

Shrub, 1-2.5 m; young shoots and petioles shortly stalked-glandular, also with a detersile dendroid indumentum. Leaves 6-10 x 2.5-4 cm, elliptic to ovate, lower surface with a few stalked glands and a thin detersile indumentum that is sometimes restricted to the vicinity of the midrib at the base. Flowers c.5, in a lax truss; calyx 2-3 mm; corolla white flushed rose, with a few crimson flecks, funnel-campanulate, without nectar pouches, c.35 mm; ovary densely glandular, also with a varying proportion of rufous dendroid hairs, style glabrous. Royal Horticultural Society (1997)

 

Distribution  China SE Tibet, NW Yunnan

Habitat 3,350-4,550 m

RHS Hardiness Rating H4

Conservation status Vulnerable (VU)

R. calvescens, which may well be a hybrid of R. selense, is rare in cultivation. Royal Horticultural Society (1997)


var. calvescens

Leaves 1.5-2.5 x as long as broad; pedicels 15-20mm.


var. duseimatum (Balf.f. & Forrest) D.F.Chamb.

Leaves c.3× as long as broad; pedicels 20-28mm.

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