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  2. Rhododendron periclymenoides - Wikipedia

    en.wikipedia.org/wiki/Rhododendron_periclymenoides

    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 ...

  3. North American azaleas - Wikipedia

    en.wikipedia.org/wiki/North_American_azaleas

    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]

  4. Rhododendron sect. Pentanthera - Wikipedia

    en.wikipedia.org/wiki/Rhododendron_sect._Pentanthera

    United States(Oregon, California) Rhododendron periclymenoides (Michx.) Shinners 1962 (pink azalea, pinxterbloom azalea, pinxter flower) United States(southern New York south to Georgia) Rhododendron prinophyllum (Small) Millais 1917 (rose azalea, roseshell azalea) Eastern United States Rhododendron prunifolium (Small) Millais 1917

  5. Category:Rhododendron - Wikipedia

    en.wikipedia.org/wiki/Category:Rhododendron

    Pages in category "Rhododendron" The following 200 pages are in this category, out of approximately 245 total. ... Rhododendron periclymenoides; Rhododendron ...

  6. Rhododendron atlanticum - Wikipedia

    en.wikipedia.org/wiki/Rhododendron_atlanticum

    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 .

  7. Rhododendron prinophyllum - Wikipedia

    en.wikipedia.org/wiki/Rhododendron_prinophyllum

    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 feet in height. Flowers are pink.

  8. List of Award of Garden Merit rhododendrons - Wikipedia

    en.wikipedia.org/wiki/List_of_Award_of_Garden...

    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.

  9. Rhododendron maximum - Wikipedia

    en.wikipedia.org/wiki/Rhododendron_maximum

    Rhododendron maximum is a species of Rhododendron native to the Appalachians of eastern North America, from Alabama north to coastal Nova Scotia. Its common names include great laurel , [ 2 ] great rhododendron , rosebay rhododendron , American rhododendron and big rhododendron .