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Rhododendron ferrugineum, the alpenrose, snow-rose, or rusty-leaved alpenrose is an evergreen shrub that grows just above the tree line in the Alps, Pyrenees, Jura and northern Apennines, on acid soils. It is the type species for the genus Rhododendron.
Rhododendron hirsutum, commonly known as the hairy alpenrose is one of the species of Rhododendron native to the mountains of Europe.It occurs widely in the Alps except for the southwestern region (approximately south and west of the Matterhorn), [2] and has become naturalised in parts of the Carpathians. [3]
Images of diseases and pests of rhododendrons This page was last edited on 20 March 2022, at 16:40 (UTC). Text is available under the Creative Commons Attribution ...
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 is a genus of shrubs and small to (rarely) large trees, the smallest species growing to 10–100 cm (4–40 in) tall, and the largest, R. protistum var. giganteum, reported to 30 m (100 ft) tall.
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.
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Rhododendron myrtifolium was first described in 1851 by Schott and Kotschy. It's the only rhododendron species native to the Carpathians and the Balkan Mountains. The species blooms in June-July. [7] It's a close relative of the alpenrose (Rhododendron ferrugineum), replacing it to the east of its range.