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・ Rhododendron insigne
・ Rhododendron irroratum
・ Rhododendron jucundum
・ Rhododendron kanehirai
・ Rhododendron keiskei
・ Rhododendron keleticum
・ Rhododendron konori
・ Rhododendron laetum
・ Rhododendron Lake
・ Rhododendron lapponicum
・ Rhododendron leptothrium
・ Rhododendron liliiflorum
・ Rhododendron lochiae
・ Rhododendron loerzingii
・ Rhododendron lutescens
Rhododendron luteum
・ Rhododendron macgregoriae
・ Rhododendron macrophyllum
・ Rhododendron maddenii
・ Rhododendron maximum
・ Rhododendron menziesii
・ Rhododendron micranthum
・ Rhododendron minus
・ Rhododendron minus var. chapmanii
・ Rhododendron molle
・ Rhododendron moulmainense
・ Rhododendron mucronatum
・ Rhododendron mucronulatum
・ Rhododendron myrtifolium
・ Rhododendron nakaharae


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Rhododendron luteum : ウィキペディア英語版
Rhododendron luteum

''Rhododendron luteum'', Yellow Azalea or Honeysuckle Azalea is a species of ''Rhododendron'' native to southeastern Europe and southwest Asia. In Europe, it occurs from southern Poland and Austria south through the Balkans and east to southern Russia, and in Asia, east to the Caucasus.
It is a shrub growing to 3 m tall, rarely 4 m. The leaves are deciduous, 5-10 cm long and 2-4 cm broad. The flowers are 3-4 cm diameter, bright yellow, and strongly perfumed, produced in trusses of 5-25 together. The fruit is a dry capsule 15-25 mm long, containing numerous small seeds.
Despite the sweet perfume of the flowers, the nectar is toxic, containing grayanotoxin; records of poisoning of people eating the honey date back to the 4th century BC in Classical Greece.
==Cultivation and uses==
It is widely cultivated in western Europe, used both as an ornamental plant in its own right, and as a rootstock onto which other azalea cultivars are grafted. It is locally naturalised in western and northern Europe. In Britain it has colonised many wet heaths and bogs, but unlike its relative ''Rhododendron ponticum'' it does not usually form dominant stands and so is of lower nature conservation concern.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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