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(First Upload on June 20 2009. Last on January 10 2018) [ 日本語 | English ]

Achillea millefolium L.






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

Achillea L. (ノコギリソウ)
Seiyou-nokogirisou (セイヨウノコギリソウ, 西洋鋸草), (common) yarrow
Life form: perennial forb < 1 m in height
Distribution: native to Europe, now common in the temperate regions of the Northern Hemisphere (extotic to Japan)
Habitat: sunny sites (often see along roadsides in the case of Japan)

Field training on integrated environmental research (統合環境調査法実習) (出現種リスト)
→ specimen list 標本リスト

Seed dispersal: wind
Utilization: gardening (many cultivars), edibility by herb tea, medicine
Varieties
ssp. millefolium, the type

var. millefolium, the type: Europe and Asia

var. alpicola (Rydb.) Garrett: Rocky Mountains
var. borealis (Bong.) Farw.: Arctic regions
var. californica (Pollard) Jeps.: California
var. occidentalis DC.: North America
var. pacifica: west coast of North America
var. puberula(Rydb.) G.N. Jones: California
var. rubra Sadl.: Southern Appalachians

ssp. chitralensis Hub.-Mor.: western Himalaya
ssp. sudetica (Opiz) E. Weiss: Alps, Carpathians

Achillea millefolium in the Northern Hemisphere


索引
USA

ST1 ST2 ST3
[1/2] at a waste land in Fairbanks, interior Alaska, on August 1 2007. [3] on a way to go PSU South Max Station, Portland, Oregon, on August 9 2017.

Hokkaido

ST4 ST5 ST6 ST7
ST8 ST9
[4-6] along a pedestrian road, N13/W1, Sapporo, on June 23 2011. [7] at a parking lot along the Prefectural Road 274/392, western Hokkaido, on June 30 2014. [8] under a street tree near Fuji Woman's University, Sapporo, on June 22 2017. [9] in a Miscanthus sinensis grassland on the Nishiyama Craters of Mount Usu (flora) on July 27 2017.

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