Rhododendron ripense Makino

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

Genus

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

Shrub, 1-2 m; young shoots and petioles densely covered with loosely adpressed flattened bristles that are intermixed with softer grey-brown, sometimes gland-tipped hairs. Leaves of two kinds; spring leaves deciduous, 3.5-5 x 1.5-2 cm, ovate-lanceolate, apex mucronate, both surfaces covered with adpressed reddish grey pilose hairs, especially on the midrib; summer leaves 1.5-3 x 0.5-1 cm, oblanceolate. Pedicels covered with soft spreading pilose hairs, sometimes with glandular and flattened bristles. Flowers 1-3 per inflorescence; calyx to 15 mm; corolla white or rose-pink to red, widely funnel-shaped, 25-50 mm; stamens 10; ovary covered with bristles, style glabrous. Flowering April-May. Royal Horticultural Society (1997)

 

Distribution  Japan Honshu, Shikoku, Kyushu

Habitat 50-500 m

RHS Hardiness Rating H4

Conservation status Least concern (LC)

This species is closely allied to R. stenopetalum but differs in the smaller leaves and adpressed-hairy shoots, etc.

R. mucronatum, with white flowers, is presumed to be an artificial hybrid derived from R. ripense and R. stenopetalum. Royal Horticultural Society (1997)

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