Rhododendron yedoense

Rhododendron yedoense
Rhododendron yedoense f. poukhanense at the University of California Botanical Garden
Close-up of flower
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Ericales
Family:	Ericaceae
Genus:	Rhododendron
Species:	R. yedoense
Binomial name
Rhododendron yedoense Maxim. ex Regel
Synonyms [1]
Azalea poukhanensis(H.Lév.) Olmsted, Coville & H.P.Kelsey Rhododendron coreanumRehder Rhododendron hallaisanenseH.Lév. Rhododendron poukhanenseH.Lév. Rhododendron yedoense var. hallaisanense(H.Lév.) T.Yamaz.

Rhododendron yedoense (syn. Rhododendron poukhanense), the Korean azalea, is a species of flowering plant in the family Ericaceae, with a disjunct distribution in northern Myanmar, Yunnan province in China, South Korea, and northern Kyushu island of Japan. ^[1] Hardy in USDA zones 4 through 9, it is recommended as a hedge, and has above average resistance to the root rot that often afflicts azaleas. ^[2] Rhododendron yedoense f. poukhanense is a major parental contributor to many modern hybrid azaleas. ^[2]

Subtaxa

The following forms are accepted: ^[1]

• Rhododendron yedoense f. poukhanense(H.Lév.) Sugim. ex T.Yamaz. – South Korea, northern Kyushu
• Rhododendron yedoense f. yedoense – northern Myanmar, Yunnan

References

1. "Rhododendron yedoense Maxim. ex Regel". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 10 June 2022.
2. "Rhododendron yedoense var. poukhanense". Plant Finder. Missouri Botanical Garden. Retrieved 10 June 2022.