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Hymenanthes, with approximately 225 species, and subgenus Rhododendron, with approx. 400 species, comprise what gardeners typically describe as "Rhododendrons." Two subgenera are generally known to gardeners as "Azaleas", and include many fewer true species: Pentanthera , which comprises the deciduous azaleas, and Tsutsusi , which includes ...
Image Name Distribution Rhododendron cinnabarinum Hook.f. 1849: India, Nepal, Bhutan, Sikkim, China ( Xizang, Yunnan) Rhododendron igneum Cowan 1937: China ( Xizang ) ...
Download as PDF; Printable version; ... Common Names of Diseases, The American Phytopathological Society ... Images of diseases and pests of rhododendrons
Print/export Download as PDF; Printable version; In other projects ... Rhododendron Species Foundation and Botanical Garden; Rhododendron subg. Rhododendron
Download as PDF; Printable version; In other projects ... Common name [3] Binomial name [4] Image Andhra Pradesh: ... Pink rhododendron: Rhododendron campanulatum [8 ...
The following is a list of rhododendron cultivars and species which have gained the Royal Horticultural Society's Award of Garden Merit.They are mostly hardy evergreen shrubs with abundant, brilliantly-coloured, trumpet-shaped flowers, often in large spherical trusses.
Rhododendron sect. Discovireya is a section of Rhododendron sect. Vireya in the genus Rhododendron. It comprises 24 species of deciduous shrubs native to Southeast Asia . [ 1 ] Plants in this section has a chromosome count of 2n = 26 [ 2 ]
Rhododendron sect. Schlippenbachia T.Yamaz., 1996 Rhododendron sect. Sciadorhodion is a subsection of subgenus Azaleastrum in the genus Rhododendron . It comprises 16 species of deciduous shrubss native to East Asia and North America.