(First upload on June 10 2013. Last on November 1 2016) [ 日本語 | English ]

Bromus catharticus Vahl

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

Bromus L. (スズメノチャヒキ)
Inumugi (イヌムギ, 犬麦), rescuegrass, or Australian oat
Lifeform: weedy, perennial grass ≈ 1 m high
Distribution: naitive to South America (exotic to Japan, introduced for meadow)
Habitat: roadsides, and dry grasslands

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

Flower: cleistogamous
Arista: few, or none
Chromosome number: 2n = 28 or 42
Synonyms (controversial):

Bromus brevis Nees ex Steud.
Bromus haenkaneus (Persl) Kunth
Bromus unioloides Humboldt, Bonpland et Kunth (often abbreviated as H. B. K.), adopted by Osada (1993)
Bromus willdenowii Kunth
Ceratochloa cathartica (Vahl) Herter
Festuca unioloides (Willd.) Raspail, nom. illeg., non Bromus unioloides Kunth


Bromus catharticus in Japan

[1/2] at West Ariake Pier Park, Tokyo, on May 12 2013. [3] at the imperial gardens in the former lawn Shiba detached palace, Tokyo, on May 29 2015. [4-6] at the backyard of the Institute of Low Temperature Science, Hokkaido University, Sapporo, on July 11 2016.