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Tufted perennial, the basal sheaths silky hairy and breaking up into fibres; culms 0.4–3 m. high, erect.. Leaf-blades 10–60 cm. long, 1–12 mm. wide, glabrous or hirsute.. Inflorescence 5–40 cm. long, composed of 4–50 spreading or ascending racemes arranged along an elongated common axis; longest raceme 3–25 cm. long, with the rhachis triquetrous, glabrous or setose (sometimes densely so), bearing spikelets in groups of 2–6; pedicel-tips bearing several white setae overtopping the spikelets.. Spikelets elliptic to oblong-elliptic, 1.2–2.5 mm. long; lower glume absent; upper glume represented by a little nerveless hyaline scale 0.1–0.7 mm. long; lower lemma as long as the spikelet or up to 0.3 mm. shorter (very rarely only 1/2 as long), 3(very rarely 5–7)-nerved, glabrous; fruit ellipsoid, chestnut brown.. Fig. 145.
Pedicels 3(5)-nate, 0.3–3.0 mm. long, triangular to compressed, scaberulous, much broadened at the apex, with a well developed coronula composed of (2)5–10 long bristles, these overtopping the spikelet.
Inflorescence composed of 10–30 racemes, 8–14 cm. long, erect or sometimes arching, few together or solitary along a well developed common axis.
Inferior lemma as long as or somewhat shorter than the spikelet, ovate, with narrow recurved margins, 3-nerved, hyaline, glabrous.
A grass that keeps growing from year to year. It is a robust plant. It grows 1-3 m high. The flowers are spreading.
Leaf laminae 10–15 × 0.2–0.4 cm., flat or involute, scabrous on both surfaces, scabrous along the margins.
Rhachis triquetrous, narrowly winged, up to 0.3 mm. broad, smooth to scaberulous with scabrous margins.
A tightly caespitose perennial, base surrounded by densely hairy cataphylls and fibrous leaf sheaths.
Superior lemma as long as the spikelet, ovate, apex acute, pale to dark brown.
Superior glume 1/4–1/3 of the spikelet, ovate, nerveless, glabrous, hyaline.
Culms 50–120 cm., erect, glabrous, nodes dark and glabrous.
Ligule 0.5 mm. long, rim-like, irregularly ciliate.
Leaf sheaths scaberulous, loosely to densely hairy.
Inferior glume absent or extremely short.
Spikelets 1.4–2.1 mm. long, ovate.
