Chee reedgrass
Calamagrostis epigeios (L.) Roth [Poaceae]
Yama-awa (ヤマアワ, 山粟)
Lifeform: perennial grass
Distribution: widespread in the temperate regions of the Northern Hemisphere
Habitat: grasslands, common on the volcano Mount Usu in the early stages after the succession
Synonyms
Calamagrostis epigeios (L.) Roth (standard)
Calamagrostis epigeios (L.) Roth subsp. extremiorientalis Tzvelev
Calamagrostis epigeios (L.) Roth var. extremiorientalis (Tzvelev) Kitag.
Calamagrostis extremiorientalis (Tzvelev) Probat.
Calamagrostis Adans.
Species: About 230 species occurring mostly in temperate regions
Morphology: rhizomatous, stoloniferous, and/or caespitose
Etymology
kalamos (reed, Gr) + agros (field/a certain grass, Gr)
Calamagrostis epigeios on Mount Usu
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[1-3] On the foot of Nishiyama Craters on September 9 2009. [1] A grassland dominated by C. epigeios [2] Close-up. [3] A spike. [4] Seedlings emerged directly from spikes. Near the Nishiyama Crater on June 20 2006.