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(First upload on October 10 2011. Last on August 28 2023) [ 日本語 | English ]

Stachys L. (イヌゴマ) S. aspera Michx. Ezoinugoma (エゾイヌゴマ, 蝦夷犬胡麻, s.l.) Lifeform: stoloniferous, perennial forb var. hispidula (Regel) Vorosch. Inugoma (イヌゴマ, 犬胡麻) Distribution: China - Russia - Korea - Japan Habitat: sunny, wet sites Field trip on Nature on lakes, volcanoes, sea and forests (フィールド体験研修 海と湖と火山と森林の自然) Strem and leaf: barbed hair Synonyms: Stachys japonica Miq. var. intermedia (Kudo) Ohwi

Stachys riederi Cham. var. intermedia (Kudo) Kitam. Stachys riederi Cham. var. hispidula (Regel) H. Hara Stachys baicalensis Fisch. ex Benth. var. hispidula (Regel) Nakai var. baicalensis (Fisch. ex Benth.) Maxim. (エゾイヌゴマ, s.s.) Shoot and leaf: more barbed and patent hair var. japonica (Miq.) Maxim. (ケナシイヌゴマ) Shoot and leaf: hairless (= kenashi, ケナシ) Distribution: southern part of Japan

Stachys aspera in Hokkaido

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var. baicalensis (エゾイヌゴマ)

1 2 3
4 5 6
[1/2] along a forest road for Sabo (erosion control) on the northern slope of Mount Usu (flora) on August 24 2011. [3-5] in Takarada Campground beside Toya Lake, central Hokkaido, on August 6 2020. [6] along Atsuma Coast (浜厚真), central Hokkaido, on August 5 2023. Records: along a walkboard to go Todowara in Notsuke Peninsula, eastern Hokkaido, on August 28 2020.

var. hispidula (イヌゴマ)

1 2 3
4 5
[1-3] at a way to go Institute of Low Temperature Science, Hokkaido University, on August 31 2012. [4/5] along a lake coast on Toya Lake close to Toya Lake Experimental Station, HU, on September 12 2017.