Avenella flexuosa (wavy hair-grass, "Komesusuki")

Japanese name: コメススキ （米薄）
Scientific name: Avenella flexuosa

[Overview]
A perennial 20–60 cm tall, growing in alpine areas.
It has a short rhizome.
The leaves are hairless and thread-like linear, about 5–25 cm long.
A flower spike 5–12 cm long emerges at the tip of the flower stalk, with spikelets borne sparsely at the tips of thin branching branchlets.
Each spikelet consists of 2 florets and is elliptic, 0.4–0.6 cm long, often tinged with purple, and glossy.
The glumes are thin and membranous, and the lemmas are also membranous, with a few teeth at the tip.
A bent awn projects long.

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