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(First upload on June 21 2013. Last on August 27 2017) [ 日本語 | English ]

Anthoxanthum odoratum L.






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

Anthoxanthum L. (ハルガヤ)
A. odoratum
Harugaya (ハルガヤ, 春萱, s.l.), sweet vernal grass, holy grass, vanilla grass or buffalo grass
Lifeform: perennial turfed grass
Distribution: native to the temperate and cool regions in Eurasia Continent

Hokkaido Blue List: A3

Habitat: open spaces, roadsides, croplands, grasslands, etc., in particular, on sandy-loam and acidic soils

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Chromosome number: 2n = 10, or 20
Allergy: pollen
ssp. odoratum (ハルガヤ), the type
Leaf/spicule stalk: hair
ssp. alpinum (A. et D. Love) Hultén (ケナシハルガヤ)
Lear/spicule stalk: no hair
Chromosome number: 2n = 10
索引

Anthoxanthum odoratum in Hokkaido


ST1 ST2 ST3 ST4
[1-3] on a slope along a paved road between JR Toya Station and Abuta Shrine (虻田神社) on June 6 2013. The locaition is the south foot of Mount Usu (有珠山). [4] in the downtown of Nayoro City, northern Hokkaido, on May 23 2017.
ST5 ST6 ST7
[5-7] on an open space in front of an restaurant for the defense military of Japan, Teshio Town, on May 20 2016. Record: close to AMEDAS weather station in Horokanai Town, northern Hokkaido, on June 25 2018.

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