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FOC | Family List | FOC Vol. 22 | Poaceae | Digitaria

14. Digitaria abludens (Roemer & Schultes) Veldkamp, Blumea. 21: 53. 1973.

粒状马唐 li zhuang ma tang

Panicum abludens Roemer & Schultes, Syst. Veg. 2: 457. 1817; Digitaria granularis (Trinius ex Sprengel) Henrard; D. pedicellaris (Trinius ex J. D. Hooker) Prain, nom. illeg. superfl.; Paspalum granulare Trinius ex Sprengel; P. pedicellare Trinius ex J. D. Hooker.

Annual. Culms erect or ascending, 30–90 cm tall. Leaf sheaths usually glabrous; leaf blades linear or linear-lanceolate, 2–15 × 0.2–0.4 cm, scabrous or papillose-pilose; ligule 1–3 mm. Inflorescence axis 1–4 cm; racemes 2–5, loosely spiculate, divaricate, 3–8 cm; spikelets paired or ternate, or the clusters grading into short branchlets; rachis slenderly triquetrous, not winged, ca. 0.5 mm broad, margins scabrous; pedicels very unequal, smoothly terete, spreading out from rachis, tips disklike. Spikelets elliptic, 1.3–1.7 mm, hairs clavate; lower glume absent; upper glume narrower than spikelet and 1/2–4/5 as long, 3–5-veined, intervein spaces and margins pubescent; lower lemma slightly shorter than spikelet, 5–7-veined, interveins and margins pubescent, tip subrounded; upper lemma slightly protruding, yellowish brown becoming chestnut at maturity with a pale apiculate apex. Anthers 0.4–0.65 mm. Fl. and fr. Jun–Oct. 2n = 36.

Hill slopes, forest margins; below 2500 m. Hainan, S Henan, Sichuan, Yunnan [Bhutan, India, Indonesia, Malaysia, Myanmar, Nepal, Pakistan, Philippines, Thailand].


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