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Piptatherum
See list of 3 species in this genusReference: Barkworth (2007b).
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1a. Lemmas dark brown to nearly black; leaves with minute ligules or none, the uppermost blades flat, 8–15 mm wide, longer than (10–) 12 cm
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1b. Lemmas pale green, gray, or pale brown; leaves with ligules, those of the upper leaves 1.5–3 mm long, the uppermost blades involute, 1–2 mm wide, shorter than 10 (–12) cm
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2a. Awn of lemma 6–11 mm long, often bent or twisted in the basal half [Fig. 254]; glumes glabrous
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2b. Awn of lemma 0.5–2 mm long (sometimes absent), straight or slightly bent; glumes minutely scabrous in the apical portion
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Each photo represents one species in this genus.