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Loosely tufted annual, 50-600 mm high; culm solitary or many. Leaf blade 100-200 x 0.5-3.0 mm; ligule an unfringed membrane. Inflorescence a spike-like panicle, 20-120 x 15 mm, well exserted from uppermost leaf sheath; spikelets often almost perpendicular to central axis. Spikelets 7-14 x 2.1-3.5 mm (excluding awns), green or purple, laterally compressed; glumes unequal, shorter than spikelet, rounded on back; lower glume 1/2-3/4 as long as upper glume, without nerve or 1-nerved, linear-lanceolate; upper glume 3-10 mm long, acute or shortly awned, subulate-lanceolate, 3-nerved. Florets 3-10; lemma back rounded, scabrid, tipped with a scaberulous awn up to 12 mm long, as long as to longer than body of lemma; callus rounded; anther 0.3-0.6 mm long; ovary apex glabrous. Flowering time Aug.-Jan.
Culms 2–60 cm high. Leaf blade 6–10.5 cm long, 0.4–2 mm wide. Inflorescences one-sided, fully exserted, (0.5–) 1.8–14 cm long. Spikelets 7.7–12 mm long, disarticulating above glumes, with 5–8 bisexual florets, with 0–1 (–3) distal incomplete florets; rachilla minutely scabrous. Glumes: lower glume 1.7–5.1 mm long, slightly keeled, 1-nerved; upper glume 4.3–8.9 mm long, muticous or with awn 1–1.3 mm long, slightly keeled, membranous at margin, prominently 3-nerved. Callus blunt, 0.1–0.2 mm long. Basal lemma 5.5–9.8 mm long, awned, dorsally rounded, scabrous towards apex, obscurely 5-nerved; awn 6–9.8 mm long. Palea shortly bifid. Stamen 1. Hilum 2.4–3 mm long.
Annual.. Culms 5–60 cm. high, loosely tufted or solitary, erect or geniculately ascending, slender.. Leaf-blades 1–18 cm. long and 0.5–3 mm. wide, flat or rolled, rough near the tip and on the margins, puberulous above.. Panicle lanceolate to narrowly oblong, 1–13 cm. long, loose or contracted, erect or nodding, long-exserted from the sheath.. Spikelets oblong or wedge-shaped, 7–14 mm. long (excluding awns), 3–10-flowered, green or purplish; lower glume linear-lanceolate, 2–6 mm. long; upper glume subulate-lanceolate, 5–10 mm. long; lemmas 6–9 mm. long, scabrid, tipped with a scaberulous awn up to 12 mm. long; anther usually 1, 0.3–0.6 mm. long.. Fig. 22.
Loosely tufted annual 50-600 mm high; culm solitary or numerous. Leaf blade 100-200 x 0.5-3.0 mm. Inflorescence 20-120 x 15 mm, well exserted from the uppermost leaf sheath; usually secund, spikelets often almost perpendicular to the central axis. Spikelet 7-14 x 2.1-3.5 mm (excluding awns), green or purple, 3-10 flowered; lower glume 1/2-3/4 as long as upper glume, linear-lanceolate; upper glume 3-10 mm long, acute or shortly awned, subulate-lanceolate, 3-nerved; lemma scabrid, tipped with a scaberulous awn up to 12 mm long; callus rounded; anther 0.3-0.6 mm long.
Annual, culms solitary or numerous and then loosely tufted, up to 0.6 m high. Leaf blades 100-200 mm long, 0.5-3.0 mm wide. Spikelets 7-14 mm long (excluding awns). Inflorescence 20-120 mm long, up to 15 mm wide, well exserted from uppermost leaf sheath; spikelets usually secund and often almost perpendicular to central axis; lower glume half to three-quarters as long as upper; upper glume 3-10 mm long, acute or shortly awned; callus of lemma rounded.
Annual; up to 0.6 m high. Culms solitary or many and then loosely tufted. Leaf blades 100200 x 0.5-3.0 mm. Flowers: panicle; open or contracted; 20-120 x 15 mm; well exserted from leaf sheaths; spikelets 7-14 mm long; excluding awns; usually secund and often almost perpendicular to central axis; lower glume 1/2-3/4 as long as upper; upper glume 3-10 mm long; acute or shortly awned; callus of lemma rounded.
Annual, up to 0.7 m tall. Leaves linear; ligule an unfringed membrane. Inflorescence a panicle, exserted from upper leaf sheaths. Spikelets 7-14 mm long (excluding awns), many-flowered; glumes unequal, shorter than spikelet, lower glume up to 3/4 as long as upper glume; lemmas tapering into an awn as long as lemma, straight, awn not basally twisted.
Much like V. myuros, but with a longer first glume, this 3.5–5 mm, more than half as long as the second one; awn of the first lemma 3–12 mm; infl fully exserted from the sheath, its branches tightly erect-appressed; 2n=14. Native of Europe, now a cosmopolitan weed, only occasional with us. (Festuca b.; F. dertonensis; V. d.)
Annual to 70 m. Leaves linear. Spikelets usually secund, in a panicle exserted from leaf sheaths, glume awns shorter than 3 mm, calluses rounded.
