Rhododendron quinquefolium Bisset & S. Moore, J. Bot. 15: 292 1877. ;
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Japan (Honshu, Shikoku) as per POWO;
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Rhododendron quinquefolium from UCBG-GS29082021-5: 2 high res. images.
Rhododendron quinquefolium Bisset & S.Moore
A Japanese species naturalized in Oregon, a bushy species often grown in pots with leaves tend to be occurring in groups of five and white flowers in clusters of 2-3.
Photographed from University of California Botanical Garden, 22-4-2019.
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References: POWO Catalogue of Life The Plant List Ver.1.1 IPNI GBIF (High resolution specimens) Wikimedia Commons Image treesandshrubsonline landscapeplants
