Rhododendron pleianthum Sleumer

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New article for Trees and Shrubs Online.

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'Rhododendron pleianthum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-pleianthum/). Accessed 2020-01-28.

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Credits

New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron pleianthum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-pleianthum/). Accessed 2020-01-28.

Shrub or tree to 6m, terrestrial; young stems laxly stellate-lepidote. Leaves 6.5-14 x 4-9cm, elliptic to obovate-elliptic, the apex rounded or broadly obtuse, the margin entire and flat, the base cordate, to rounded; upper surface at first finely stellate-scaly, later glabrescent, midrib impressed to the apex, lateral veins about 8 pairs finely impressed; lower surface with the midrib broad and strongly raised, the laterals also well raised, the scales well spaced broadly lobed to stellate, rather fine. Flowers 6-20 per umbel, half hanging; calyx with short, or sometimes long, lobes, scaly; corolla white suffused with pink or entirely pink, trumpet-shaped with a curved tube, 7-9 x 3-4cm, slightly scaly outside; stamens 10, rather irregularly exserted from the mouth of the flower; ovary densely hairy and obscurely scaly, the style hairy and scaly in the basal 1cm, above this glabrous.

Distribution New Guinea (widespread in the eastern half of the island).

Habitat 2,600-3,300m.

RHS Hardiness H1b.


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