Bromus rubens Linnaeus 1755

• Main Authors: Saarela, Jeffery M., Peterson, Paul M., Valdés-Reyna, Jesus
• Format: Other/Unknown Material
• Language: unknown
• Published: 2014
• Subjects: Biodiversity; Taxonomy; San Juan; Anchorage; Lopez; Morales; Rosario; Thorne; Martin Island; Appleby; Long Canyon
• Online Access: https://zenodo.org/record/5156708; https://doi.org/10.5281/zenodo.5156708

20. Bromus rubens Linnaeus (1755: 5). Figs. 64, 65. Bromus madritensis subsp. rubens (L.) Husnot (1899: 71). Festuca rubens (L.) Persoon (1805: 94). Bromus scoparius var. rubens (L.) Saint-Amans (1821: 45). Anisantha rubens (L.) Nevski (1934: 19). Zerna rubens (L.) Grossheim (1939: 306). Type:— SPAIN. habitat in Hispania, Loefling 84 (neotype LINN-93.28!, designated by Smith 1985: 500). Plants annual. Culms 4.5–46 cm cm tall, 0.5–1.5(–3) mm wide at base, erect or ascending, pubescent below inflorescences; nodes 1–3, glabrous. Leaf sheaths densely pubescent to pilose, hairs up to 1 mm long; auricles absent; ligules 1.8–4 mm long, lacerate, glabrous, occassionally with a few hairs along the margin; collars pubescent or pilose; blades up to 12.5(–27) cm × (0.7–)2–4(–7) mm, flat, sometimes convolute, densely pubescent 122 Phytotaxa 185 (1) © 2014 Magnolia Press SAARELA ET AL. abaxially and adaxially, hairs up to 0.3 mm long, margins serrulate. Panicles 3.5–10 cm long including awns, (0.5–) 2–6 cm wide, erect, compact, obovoid, usually reddish-brown to purplish at maturity, sometimes reduced a single spikelet, branches erect to strongly ascending, 0.1–0.8 cm long, shorter than spikelets, pubescent, hairs up to 0.2 mm long, usually not readily visible, shortest branch on lowest inflorescence node ≤ 6 mm, longest branch on lowest node branched 2–5 times, internodes much reduced upwards. Spikelets 2–2.5 cm long (3–4 cm including awns), florets 4–11, linear-elliptic to cuneate, moderately laterally compressed, overlapping at maturity; glumes pubescent, hairs up to 0.3 mm long, occassionally glabrous, margins hyaline, 0.1–0.2 mm wide, midnerves glabrous proximally, scabrous distally, apices acute, sometimes acuminate; lower glumes 6–9.5 mm × 0.5–1 mm, 1-nerved, narrowly lanceolate, green to purple along nerve; upper glumes 9–12 mm long, lanceolate, 3-nerved, green to purple along and between nerves; lemmas 10–15 mm × 1.5–3 mm, elliptic to lanceolate, rounded over the backs, apices bidentate, teeth 1–3 mm long, 5–7-nerved, ...