Plants caespitose; innovation buds intravaginal. Culms 6–53 cm high. Inflorescences obliquely ovate. Spikelets 10–13.5 mm long, with 3–5 florets. Glumes slightly exceeding florets; lower glume 9.6–13.5 mm long, 3.5–4 mm wide. Lemma: body 2.4–3.3 mm long, glabrous between the rows of tufts; upper row of hair tufts complete; lower row of tufts complete or sometimes with dorsal tufts reduced to a few scattered hairs, exceeding upper row; lobes as long as body; setae 1–2.5 mm long, shorter than or rarely as long as lobes; awn 6.3–10.7 mm long, exceeding setae; awn column tightly twisted, shorter than to exceeding lobes but shorter than setae. Palea narrowly obovate to linear, 3.5–5 mm long, narrow, 3–5 times as long as wide, much exceeding lemma sinus. Anthers 0.5–1.2 mm long. Caryopsis 1.4–1.6 mm long.
Found on rock slabs,in wet hollows in peat on till, dry rock ledges and crevices, in skeletalsoils, feldmark.
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