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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 ...
Rhododendron (/ ˌ r oʊ d ə ˈ d ɛ n d r ən /; pl.: rhododendra) is a very large genus of about 1,024 species of woody plants and in the heath family (Ericaceae). They can be either evergreen or deciduous.
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.
Print/export Download as PDF; Printable version; ... Pages in category "Rhododendron" The following 200 pages are in this category, out of approximately 245 total.
Rhododendron pruniflorum, the plum-flowered rhododendron, is a species of flowering plant in the family Ericaceae. [ 1 ] [ 2 ] It is an open, often rather leggy shrub found in northern Myanmar and nearby parts of India at elevations up to 4,000 m (13,000 ft).
Rhododendron caucasicum, the Caucasian rhododendron or the Georgian snow rose, is a species of flowering plant in the genus Rhododendron native to the Transcaucasus and Anatolia. [2] Its hybrid cultivar 'Christmas Cheer' has gained the Royal Horticultural Society 's Award of Garden Merit .
Rhododendron trichostomum (毛嘴杜鹃) is a rhododendron species native to southwestern China, where it grows at altitudes of 2,700–4,600 m (8,900–15,100 ft).It is an evergreen shrub that grows to 30–100 cm (12–39 in) in height, with leaves that are linear, linear-lanceolate, oblong, or oblanceolate, 0.8–3.2 by 0.3–0.5 cm in size.
Rhododendron asterochnoum (汶川星毛杜鹃) is a rhododendron species native to western Sichuan, China, where it grows at altitudes of 2,200–3,600 m (7,200–11,800 ft). This small tree reaches 3–7 m (9.8–23.0 ft) in height, with leathery leaves that are broadly oblanceolate , rarely oblong-elliptic, and 17–26 × 3–9 cm in size.