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(First upload on October 10 2011. Last on September 4 2020) [ 日本語 | English ]

Stachys aspera Michx.






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

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
索引

Stachys aspera in Hokkaido


var. baicalensis (エゾイヌゴマ)

ST1 ST2 ST3
ST4 ST5
[1/2] along a forest road for Sabo (erosion control) on the northern slope of Mount Usu on August 24 2011 ⇒ Flora on Mount Usu. [3-5] in Takarada Campground beside Toya Lake, central Hokkaido, on August 6 2020. Records: along a walkboard to go Todowara in Notsuke Peninsula, eastern Hokkaido, on August 28 2020.

var. hispidula (イヌゴマ)

ST1 ST2 ST3
ST4 ST5
[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.

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