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Rhododendron tsariense Cowan

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Peter Norris, enabling the use of The Rhododendron Handbook 1998

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New article for Trees and Shrubs Online.

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'Rhododendron tsariense' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-tsariense/). Accessed 2024-09-15.

Genus

Other taxa in genus

Glossary

Credits

New article for Trees and Shrubs Online.

Recommended citation
'Rhododendron tsariense' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-tsariense/). Accessed 2024-09-15.

Rhododendron tsariense

Rhododendron tsariense Ludlow & Sherriff 2858 (Yorkshire Arboretum, UK, March 2024). Image John Grimshaw.

Shrub, 1–3 m. Leaves coriaceous, 3.5–5.5 × 1.5–3 cm, obovate to oblong, apex bluntly apiculate to acute, lower surface covered with a dense reddish brown or pale fawn tomentum composed of ramiform hairs. Flowers 3–5, in a lax truss, cream, with a pink flush or white to pale pink, open-campanulate, nectar pouches lacking, 25–35 mm; ovary densely tomentose, style glabrous. Flowering March-May. Royal Horticultural Society (1997).

Distribution  Bhutan ?E China S Tibet India Arunachal Pradesh

Habitat 3,500–4,500 m

RHS Hardiness Rating H5

Conservation status Near threatened (NT)

Rhododendron tsariense

Rhododendron tsariense var. tsariense from a Ludlow & Sherriff collection. Cluny House Gardens, Perthshire, UK. 23 March 2024. Image Tom Christian.

Rhododendron tsariense

Close up of a flower on Rhododendron tsariense var. tsariense from a Ludlow & Sherriff collection, growing at Cluny House Gardens, Perthshire, UK. 23 March 2024. Image Tom Christian.

Rhododendron tsariense

The leaf undersides of Rhododendron tsariense var. tsariense are covered in a dense, ferruginous indumentum. A plant from a Ludlow & Sherriff collection, Cluny House Gardens, Perthshire, UK. 23 March 2024. Image Tom Christian.

Rhododendron tsariense

Rhododendron tsariense from Ludlow & Sherriff 2858 (Yorkshire Arboretum, UK, March 2022). Image John Grimshaw.

Rhododendron tsariense

Rhododendron tsariense from Ludlow & Sherriff 2766 at the Royal Botanic Garden Edinburgh (19371016*A). 1 April 2023. Image Tom Christian.

Rhododendron tsariense

Rhododendron tsariense var. tsariense from a Ludlow & Sherriff collection, growing at Cluny House Gardens, Perthshire, UK. 23 March 2024. Image Tom Christian.

Rhododendron tsariense

Rhododendron tsariense on the Damchen La, Arunachal Pradesh, India. October 2012. Image John Anderson.

Rhododendron tsariense

Young foliage on Rhododendron tsariense var. tsariense from a Ludlow & Sherriff collection, at Cluny House Gardens, Perthshire, UK. 15 May 2024. Image Tom Christian.

var. trimoense Davidian

Leaves with a whitish to pale fawn indumentum beneath.

var. tsariense

Leaves with a reddish brown indumentum beneath.

Awards AM 1964 (Maj. Gen. and Mrs E.G.W.W. Harrison, Tremeer, Cornwall) to a clone ‘Yum-Yum’; flowers white flushed Phlox Pink, with Carmine buds.

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