Rhododendron dielsianum Schltr.

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'Rhododendron dielsianum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-dielsianum/). Accessed 2020-08-14.

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New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron dielsianum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-dielsianum/). Accessed 2020-08-14.

Erect shrub to 2 m, epiphytic or terrestrial; young stems densely covered at first with brown stellate-dendroid scales, soon glabrescent. Leaves 4-7 x 1.5-3 cm, elliptic or narrowly elliptic, the apex acute to obtuse, the margin flat or very slightly recurved; base broadly to narrowly wedge-shaped; upper surface at first brown-scaly but quickly glabrescent, the surface left somewhat rough by the persistent raised scale bases, midrib impressed, lateral veins 4-6 pairs, obscure or feint; lower surface with the midrib strongly raised, particularly in the basal half, lateral veins only slightly raised and only slightly more distinct than when viewed from above, scales fairly well spaced, brown, dendroid and from prominent epidermal tubercles, easily rubbed off. Flowers 2-4 per umbel, horizontal to hanging, calyx a low scaly ring; corolla pink, tubular, curved 2.5-3.5 x 2-3 cm, slightly scaly outside; stamens 10, loosely to tightly grouped on the upper side of the corolla mouth; ovary silvery or silvery and brown-scaly, the style scaly up to half way, glabrous above (the var. stylotrichum Sleumer with short spreading hairs in the lower part). Royal Horticultural Society (1997)

Distribution  Papua New Guinea

Habitat 1,200-2,000 m

RHS Hardiness Rating H2

Conservation status Least concern (LC)

A pretty and freely growing species in cultivation. Royal Horticultural Society (1997)

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