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Kyusyu azalea [Rhododendron kiusianum Makino]

  • Flower
    Flower
  • Flower
    Flower
  • Flower
    Flower
  • Branch
    Branch

Explanations

Origin
This group is beginning of R. kiusianum native to mountain tops in Kyusyu Island, Japan. R. kiusianum has been crossed with R. kaempferi in the wild, so it supposed that many cultivars are hybrid.
Characteristics
Dwarf much-branched shrub, to 1m, shoot growing slow. Generally native to Mt. Unzen is relatively erect and native to Pref. Oita is spreading. Inflorescense 2-3-flowered. Corolla diameter 1.5-3cm. Corolla tube short. Lobe open wide.
On plant taxonomy, R. kiusianum does not have blotches, but some cultivars have them. Leaves deciduous, elliptic, 8-30mm, both surface covered with strigose hairs. Shade hardness is weak. Wet hardness is weak.
Uses
garden, bonsai
References
Gardenlife 1976,"Tsutsusi sonosyurui to saibai" SeibundoShinkousya (in Japanese)
Gardenlife 1978,"Yasei no Tsutsusi" SeibundoShinkousya (in Japanese)
Gardenlife 1979,"Nippon no Engei Tsutsusi" SeibundoShinkousya (in Japanese)
Gardenlife 1985,tsuukan205 pp.103-106 (in Japanese)
Matsuo,T 1989,"Collected Data of Plant Genetic Resources" Koudansya scientific (in Japanese)