Loosely tufted perennial; culms 10–35 cm. high, erect, stout, enveloped below in broad papery leaf-sheaths.. Leaf-blades broadly linear, 4–15 cm. long and up to 8 mm. wide, rigid, blunt; ligule 2.5–10 mm. long.. Panicle oblong, 2.5–12 cm. long, dense, often ± lobed.. Spikelets 2–4-flowered, broadly ovate, 5–6.5 mm. long, green, yellowish or purple; glumes narrowly lanceolate in side view, 1–3-nerved, the lower 3–5 mm. long, the upper 4–5 mm.; lemmas lanceolate in side view, 4.5–5 mm. long, acute, scabrid on the keel, with hyaline margins, woolly at the base; palea as long as the lemma, scaberulous on the keels; anthers 1.3–1.7 mm. long.. Fig. 17.
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