Rhododendron cruttwellii Sleumer

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'Rhododendron cruttwellii' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-cruttwellii/). Accessed 2020-06-03.

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New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron cruttwellii' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-cruttwellii/). Accessed 2020-06-03.

Shrub or small tree up to 6 m, young stems laxly scaly, Leaves 6-12.5 x 3-6 cm, obovate to elliptic or broadly elliptic, the apex mostly obtuse, sometimes rounded or acute, the margin plain and flat, the base tapering to broadly tapering; upper surface at first finely and minutely silvery scaly with the midrib impressed, lateral veins 6-8 pairs, narrowly but distinctly impressed above to give conspicuous reticulation; under surface with the midrib strongly raised, the laterals not raised but distinctively darker than the pale lamina surface and so showing up as a very distinctive reticulation, scales small brown, rather irregular, circular to lobed, well spaced and with small centres. Flowers 4-9 per umbel, erect or semi-erect; calyx a lobed, almost glabrous but laxly ciliate ring; corolla white, trumpet-shaped, the tube slightly curved, 5-7 x 2.5-3 cm, finely scaly outside; stamens 10, exserted from the mouth of the flower and distributed evenly; ovary covered with semi-erect, whitish hairs but no scales, style hairy at the very base otherwise glabrous. Royal Horticultural Society (1997)

Distribution  Papua New Guinea SE

Habitat 1,800-2,600 m

RHS Hardiness Rating H2

Conservation status Least concern (LC)

A beautiful and easily cultivated species named after the Rev. Canon Norman Cruttwell who after taking First Class honours in botany at Oxford went on to pursue a career as a missionary in New Guinea but sent a great many plants for description and cultivation from the remote areas in which he worked. Royal Horticultural Society (1997)


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