(First upload on July 17 2010. Last on April 28 2023) [ 日本語 | English ]

Poa annua L.

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

Poa L. (イチゴツナギ)
Suzumenokatabira (スズメノカタビラ, 雀之帷子), annual bluegrass
Lifeform: weedy annual (occasionally biennial) grass with 5-30 cm in height
Distribution: Eurasia (now widespread in the world)
Habitat: sunny and mesic sites (grasslands - roadsides)

Field training on integrated environmental research (統合環境調査法実習)
HUSTEP: Plants and Plant communities in Japan (flora list)

Belowground: no runners (→ P. pratensis)
var. reptans Haussk. (ツルスズメノカタビラ), rooting from the base of culms

Poa pratensis in Japan


[1] in West Ikebukuro Park, Tokyo, on March 14 2017. [2] along a paved roadd in N17/W4, North Ward, Sapporo, on March 24 2021. [3/4] along a coast on Oshima Island in Matsushima Islands, northern Honshu, on March 21 2016. [5] in front of the Center for Advanced Medical Imaging, Sendai Welfare Hospital, northern Japan, on March 23 2016. [6] near Horokita Elementary School, North Ward, Sapporo, on May 14 2018. [7] along a valley in Horomi Path (幌見峠), Sapporo, on June 11 1985 (the specimen, stored in SAPS). Records: At a grassland in Yushima Temple (seido), Tokyo, on May 30 2014. Along the Sosei Street, at N18/W1, North Ward, Sapporo, on May 1 2018. In front of Otsuka ophthalmic clinic, N16/E4, North Ward, Sapporo, on April 1 2020.