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Rhododendron vaseyi, the pinkshell azalea, [4] is a species of flowering plant in the heath family Ericaceae.It is endemic to the Appalachian highlands of North Carolina.The specific epithet vaseyi honors the American plant collector George Richard Vasey and his father Dr. George Vasey, Chief Botanist at the United States Department of Agriculture from 1872 to 1893.
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 ...
Nova Zembla Rhododendrons growing in a nursery in New Jersey. Like other ericaceous plants, most rhododendrons prefer acid soils with a pH of roughly 4.5–5.5; some tropical Vireyas and a few other rhododendron species grow as epiphytes and require a planting mix similar to orchids. Rhododendrons have fibrous roots and prefer well-drained ...
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 canadense (L.) Torrey.Tourbière du Lac-à-la-Tortue (fr), Quebec, Canada. The wild distribution of the rhodora begins at its easternmost extreme in Canada in Newfoundland and extends into eastern Ontario and the United States, where it has its most famous home in New England and also occurs naturally in New York, New Jersey, and at high altitudes in the Appalachian Mountains ...
"A revision of Rhododendron I. Subgenus Rhododendron sections Rhododendron and Pogonanthum". Notes from the Royal Botanic Garden Edinburgh. 39 (1). ISSN 0080-4274.
Rhododendron catawbiense, with common names Catawba rosebay, [2] Catawba rhododendron, [3] mountain rosebay, [3] purple ivy, [3] purple laurel, [3] purple rhododendron, [3] red laurel, [3] rosebay, [3] rosebay laurel, [3] is a species of Rhododendron native to the eastern United States, growing mainly in the southern Appalachian Mountains from West Virginia south to northern Alabama.
Rhododendron arborescens, also known as smooth azalea [1] or sweet azalea, is a species of flowering plant in the family Ericaceae, native to the eastern seaboard of the United States. It grows to a height of 2.4–3 metres (8–10 ft). Generally blooming in late spring and early summer, the flowers range in color from white to pink with red ...