Rhododendron viscidifolium Davidian

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New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron viscidifolium' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-viscidifolium/). Accessed 2020-11-23.

Genus

Other species in genus

Glossary

viscid
Sticky.

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Credits

New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron viscidifolium' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-viscidifolium/). Accessed 2020-11-23.

Shrub, 0.6-2.4 m; bark smooth; young shoots glabrous or glandular. Leaves 4-9.7 x 2.8-6.6 cm, oval to orbicular, base rounded to sub-cordate, entirely glabrous, lower epidermis strongly glaucous-papillate, with scattered viscid glands; petioles glabrous. Flowers 1-2; calyx 4-9 mm, cupular; corolla coppery red, with dark nectar pouches and flecks, tubular-campanulate, 35-45 mm; ovary densely tomentose and stalked-glandular, style glabrous. Flowering April-May. Royal Horticultural Society (1997)

Distribution  China SE Tibet

Habitat 2,700-3,350 m

RHS Hardiness Rating H5

Conservation status Endangered (EN)

This species is allied to R. thomsonii but differs in the flower colour, etc. The whole plant is viscid, as the name implies. Royal Horticultural Society (1997)