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Rhododendron periclymenoides used to be called Rhododendron nudiflorum. [1] Growing in the form of a shrub, the flowers range in color from white to pink, with no blotches of color on the upper petal. This azalea blooms in the spring in moist wooded areas along streams, thickets, and swamps. [4]
Rhododendron periclymenoides has low levels of toxicity, and all parts of the plant may cause vomiting or diarrhoea if ingested in quantity. [6] The poisons produced by rhododendrons are known as grayanotoxins, which are a class of neurotoxins. These neurotoxins work by blocking the inactivation of sodium channel receptors, causing cell ...
Pages in category "Rhododendron" The following 200 pages are in this category, out of approximately 245 total. ... Rhododendron periclymenoides; Rhododendron ...
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 prinophyllum, the early azalea, [1] is a rhododendron species native to the eastern and southern United States. It is a deciduous shrub that grows 4 to 8 ...
Rhododendron atlanticum is a compact, loosely branched, deciduous shrub that typically grows to be two to three feet tall at maturity but can grow up to six feet, and is two to three feet wide. [3] It is a deciduous shrub 50–150 cm (20–59 in) tall, forming a thick understory in forests, spreading by underground stolons .
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 canescens, the piedmont azalea or mountain azalea, or wild azalea, or native azalea, or dead man’s handkerchief is a pink-blooming azalea native to the Eastern United States. [ 1 ] References