R. arboreum ssp. delavayi var. pilostylum





subgenus Hymenanthes
section Ponticum
subsection Arborea

 
Main features of the subsection :

Trees, to 30m. Lower surface of leaves covered with a dense, generally white to fawn, spongy to compacted, one to two-layered indumentum composed of dendroid hairs (rarely with upper layer rufous and floccose). Inflorescence dense, 10-25-flowered. Calyx minute. Corolla 5-lobed, campanulate to tubular-campanulate, with nectar pouches. Stamen 10. Ovary densely tomentose, occasionally also glandular ; style glabrous.
 

Rhododendron agastum
Rhododendron arboreum ssp. albotomentosum
Rhododendron arboreum ssp. arboreum
Rhododendron arboreum ssp. cinnamomeum var. cinnamomeum
Rhododendron arboreum ssp. cinnamomeum var. roseum
Rhododendron arboreum ssp. cinnamomeum forma alba
Rhododendron arboreum ssp. delavayi var. delavayi
Rhododendron arboreum ssp. delavayi var. peramoenum
Rhododendron arboreum ssp. delavayi var. pilostylum
Rhododendron arboreum ssp. nilagiricum
Rhododendron arboreum ssp. zeylanicum
Rhododendron lanigerum
Rhododendron niveum



SEE THE WHOLE 1998 CLASSIFICATION


 
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