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(First upload on September 3 2010. Last on June 25 2023) [ 日本語 | English ]

Calystegia R. Br. (ヒルガオ) Hirugao (ヒルガオ, 昼顔), Japanese bindweed Life form: deciduous, climbing, perennial forb Distribution: East Asia (China - Korea - Japan) Habitat: graslands and sunny shrublands in lowland → 生命環境野外実習 Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Chromosome number: 2n = 22 Synonyms: Calystegia pubescens Lindl., often used Calystegia subvolubilis non Don. f. albiflora (Makino) H. Hara (シロバナヒルガオ)

Calystegia japonica in Japan

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[1-4] at the Hokudai Byoin-mae (In-front-of Hokkaido University Hospital) Branch of the Japan Post Office in the city of Sapporo on July 9 2010. [5/6] at Kanda Bridge Park, Tokyo, on June 6 2023.