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(First upload on March 9 2009. Last on September 10 2017) [ 日本語 | English ]

Viola grypoceras A. Gray






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

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)
索引

Viola grypoceras in Japan


Viola1 Viola2 Viola3
Viola4 Viola5 Viola6
[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.

f. variegata

Viola1 Viola2 Viola3
[1-3] in the Koishikawa Botanical Garden (小石川植物園), the University of Tokyo, on March 16 2017.

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