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(First upload on December 2 2013. Last on October 28 2021) [ 日本語 | English ]

Hydrangea Gronov. (アジサイ) Tamaajisai (タマアジサイ, 玉紫陽花), bracted hydrangea Lifeform: deciduous shrub < 2 m high Distribution: Japan between Chubu and southen Tohoku District Habitat: mainly establishing along valleys and on mesic forest edges Chromosome number: 2n = 30 var. idzuensis Hayashi (ラセイタタマアジサイ) var. tokarensis M. Hotta et T. Shiuchi (トカラタマアジサイ)

f. hortensis (Maxim.) Ohwi (ギョクダンカ) f. leucantha Sugim. (シロバナタマアジサイ) f. multiplex (Nakai) Okuyama (ヨウラクタマアジサイ) f. plenissima Tuyama (ココノエタマアジサイ) f. sterilis Hayashi (テマリタマアジサイ)

Hydrangea involucrata in Japan

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[1-3] near Kintaro Rock between Togendai and Ubako, Hakone, central Honshu, on August 21 2021.

f. leucantha (シロバナタマアジサイ)

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[1-3] at a 6th trail near the Biwa Falls on Mount Takao (599 m elevation), Tokyo, on October 21 2013 → Mount Takao forest for recreational use (高尾山自然休養林)