(First upload on March 9 2009. Last on November 30 2023) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Violaceae (スミレ科) > Viola grypoceras
Viola L. (スミレ)Tachitsubosumire (タチツボスミレ, 立坪菫), Korean violet (not accessed)Lifeform: rhizomatous, deciduous forb Distribution: China - Korea - Japan Habitat: sunny to semi-shaded sites Spur: blue → V. kusanoana = white Chromosome number: 2n = 20 Varieties (not fixed, because of diverse morphology) var. exilis (Miq.) Nakai (コタチツボスミレ), south to Kinki District var. yakusimensis Masam. (ヤクシマタチツボスミレ), only in Yakushima → incorporated into var. exilis |
var. hichitoana (Nakai) F. Maekawa (シチトウスミレ), Izu Shichito Islands (伊豆七島) var. ripensis N. Yamada et Okamoto (ケイリュウタチツボスミレ) var. pubescens Nakai (syn. f. pubescens (Nakai) Mizushima) (ケタチツボスミレ) var. rhizomata (Nakai) Ohwi (ツルタチツボスミレ), mountaineous regions on the Japan-sea side of Honshu f. albiflora Makino (シロバナタチツボスミレ) f. variegata Nakai (アカフタチツボスミレ) f. purpurellocalcarata (Makino) Hiyama ex F. Maekawa (オトメスミレ) |
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[1-3] on the southern foot of Mount Usu on May 13 2014. [4/5] in a backyard of the ruins of Shimamatsu Station (島松駅逓所) on May 3 2016. [6] in a forest of Shimokawa Town, northern Hokkaido, on May 23 2017. Records: within a small flower garden in front of Nakae Hospital in North Ward, Sapporo, on May 7 2022.
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[1-3] at the middle of Mount Mihara, Izu-Oshima Island (伊豆大島), on June 7 2023.
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[1-3] in the Koishikawa Botanical Garden (小石川植物園), the University of Tokyo, on March 16 2017.