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Tall annual; culms 0.5–2.5 m. high, robust, erect, supported below by stilt roots.. Leaf-blades flat, up to 50 cm. long and 10 mm. wide, gradually acuminate.. Racemes 3–6 cm. long, emerging from the side of the spatheole, aggregated into a copious false panicle.. Homogamous pairs 1–3, resembling the pedicelled spikelets.. Sessile spikelet 10–11 mm. long, including a sharply pungent and rufously bearded callus 4 mm. long; lower glume elliptic-oblong, dark brown, densely hispidulous; awn 7–12 cm. long, pubescent.. Pedicelled spikelet 15–25 mm. long; lower glume light green, herbaceous, glabrous, with a median line of depressed glands running along its length, long-acuminate; callus 2–3 mm. long.
Robust tufted annual 500-2000 mm high; supported by stilt roots. Leaf blade up to 500 x to 12 mm, flat, gradually acuminate at apex; ligule an unfringed membrane, usually lacerated. Inflorescence with a row of depressed glands down the middle on the back of the spathes. Sessile spikelet 10-11 mm long. Pedicelled spikelet 20 mm long, lower glume with a row of depressed glands down the middle; anthers 3.0-3.5 mm long.
Robust annual, tufted, up to 2 m high. With stilt roots. Leaf blades flat, up to 500 mm long, 12 mm wide. Spikelets (sessile) 10-11 mm long (pedicellate with lower glume 16-20 mm long, with a row of depressed glands in middle).
Pedicelled spikelet 15–25 mm long; inferior glume light green, herbaceous, glabrous, with a median line of depressed glands running along its length, long-acuminate at the apex; callus 2–3 mm long.
Sessile spikelet 10–11 mm long (including a sharply pungent and rufously barbate callus c. 4 mm long); inferior glume elliptic-oblong, dark brown, densely hispidulous; awn 7–12 cm long, pubescent.
Racemes 3–6 cm long, emerging from the side of the spatheole, aggregated into a copious false panicle; homogamous spikelet pairs 1–3, resembling the pedicelled spikelets.
Tall annual; culms up to 250 cm high, robust, erect, supported below by stilt roots.
Leaf laminas flat, up to 50 cm × 10 mm, gradually acuminate at the apex.
