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

32. Bromus madritensis Linnaeus, Cent. Pl. 1: 5. 1755.

马德雀麦 ma de que mai

Anisantha madritensis (Linnaeus) Nevski; Festuca madri-tensis (Linnaeus) Desfontaines; Genea madritensis (Linnaeus) Dumortier; Zerna madritensis (Linnaeus) Panzer ex B. D. Jackson.

Annual. Culms loosely tufted, simple, erect or geniculately ascending, 40–60 cm tall, glabrous. Leaf sheaths hairy, at least the lower; leaf blades linear-lanceolate, flat, ca. 20 cm × 2–4 mm, glabrous or pubescent, margins scabrid, apex acuminate; ligule 1.5–4 mm. Panicle dense or slightly lax, erect, 4–15 × 2–6 cm; branches 2–3 per node, 1–3 cm, hairy, sometimes branched. Spikelets oblong, flabellate at maturity, 35–60 mm, florets 6–13, lax; lower glume subulate, 6–11 mm, 1-veined, upper glume linear-lanceolate, 10–16 mm, 3-veined; lemmas oblong, 12–19 × 3–3.5 mm in side view, 7-veined, glabrous or pubescent, margins inrolled, apex acuminate, 2-toothed; awn 12–18 mm, straight or weakly recurved; palea shorter than lemma. Stamens 2, anthers ca. 1 mm. Fl. May–Aug. 2n = 14, 28.

Sunny slopes, dry sandy grassy places; ca. 3500 m. Xizang [N Africa, America, SW Asia (Iran, Iraq), Europe].


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