Rhododendron williamsianum

Rhododendron williamsianum (Chinese: 圆叶杜鹃; pinyin: yuányè dùjuān),[2] the Williams rhododendron,[3] is a species of flowering plant in the heath family Ericaceae. It is native to forested slopes at 1,800–2,800 m (5,900–9,200 ft) in western Guizhou, southwestern Sichuan, southeastern Xizang and northeastern Yunnan in southern and western China.

Rhododendron williamsianum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Ericaceae
Genus: Rhododendron
Species:
R. williamsianum
Binomial name
Rhododendron williamsianum

Growing to 1.5 m (4.9 ft) tall and broad, it is a compact evergreen shrub with rounded matt green leaves and rose pink bell-shaped flowers in spring.

In cultivation in the UK, Rhododendron williamsianum has gained the Royal Horticultural Society’s Award of Garden Merit.[3][4] It is hardy down to −15 °C (5 °F) but like most rhododendron species requires a sheltered position in dappled shade with acid soil that has been enriched with leaf mould.

References
  1. "Rhododendron williamsianum Rehder & E.H.Wilson". Tropicos. Missouri Botanical Gardens. Retrieved 7 October 2018 – via The Plant List. Note that this website has been superseded by World Flora Online
  2. Fang, Mingyuan; Chamberlain, David F. "Rhododendron williamsianum". Flora of China. Vol. 14. Retrieved 7 October 2018 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  3. "RHS Plantfinder - Rhododendron williamsianum". Retrieved 7 October 2018.
  4. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 85. Retrieved 2 October 2018.
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