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词条 Rhododendron keiskei
释义

  1. References

{{speciesbox
| taxon = Rhododendron keiskei
| image = Rhododendronkeiskei.jpg
| authority = Miq.
}}

Rhododendron keiskei is a species of flowering plant in the heath family Ericaceae, native to Honshu, Kyushu and Shikoku in Japan. It is a low-growing, spreading evergreen shrub, reaching only {{convert|60 |cm|in|abbr=on}} tall by {{convert|1.85|m|ft|abbr=on}} broad when mature. The leaves are elliptic in shape, and the pale yellow flowers, each with ten prominent stamens, are abundantly produced in spring.

The Latin specific epithet keiskei honours the Japanese botanist Ito Keisuke (1803-1900).[1]

Two varieties are recorded:-[1]

  • R. keiskei var. keiskei - does not tolerate freezing temperatures
  • R. keiskei var. ozawae - prostrate shrub growing to only {{convert|30 |cm|in|abbr=on}}, but hardy to -10° F, and leaves shorter

The slow-growing cultivar R. keiskei var. ozawae ‘Yaku Fairy' has gained the Royal Horticultural Society’s Award of Garden Merit.[2][3]

References

1. ^{{cite web | url = https://landscapeplants.oregonstate.edu/plants/rhododendron-keiskei| title = Landscape plants: Rhododendron keiskei | publisher = Oregon State University College of Agricultural Sciences, Department of Horticulture | accessdate = 8 October 2018}}
2. ^{{cite web | url = https://www.rhs.org.uk/plants/details?plantid=5386| title = RHS Plantfinder - Rhododendron keiskei var. ozawae ‘Yaku Fairy’ | accessdate = 8 October 2018}}
3. ^{{cite web | url = https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf | title = AGM Plants - Ornamental | date = July 2017 | page = 85 | publisher = Royal Horticultural Society | accessdate = 8 October 2018}}
{{Taxonbar|from=Q16758132}}

3 : Rhododendron|Flora of Japan|Plants described in 1971

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