疏花黑麦草Lolium remotum Schrank
疏花黑麦草Lolium remotum Schrank
5．疏花黑麦草（新疆植物检索表）图版33：3
Lolium remotum Schrank in Baier. Fl. 1: 382. 1789; Nevski in Kom. Fl. URSS 2: 547, pl. 44. f. 4. 1934; Tzvel. in Fed. Poac. URSS 423. 1976; Humphr. in Tutin et al. Fl. Europ. 5: 154, 1980; 新疆植物检索表1: 143, 1982.
一年生。秆直立，细弱，高30-80厘米，花序以下部分微粗糙。叶鞘平滑；叶片线形，扁平，上面微粗糙。穗形总状花序长6-12厘米，细瘦，穗轴平滑；小穗长8-16毫米，含5-7小花；颖线形，长6-16毫米，短于其小穗；外稃长4-5毫米，无芒。颖果长3-4.5毫米，胚小形。花果期7-8月。染色体2n＝14（Tischler 1934，Frey et al．1981）。
产新疆、黑龙江。生于亚麻田间或路旁。俄罗斯西伯利亚、欧洲、地中海地区、小亚细亚有分布。模式标本采自欧洲中部。
《Flora of China》 Vol. 22 (2006)
Lolium remotum Schrank
疏花黑麦草 shu hua hei mai cao
Annual. Culms erect, slender, 30–100 cm tall, 3–4-noded, smooth or scaberulous below inflorescence. Leaf blades linear, up to 25 cm × 1–6 mm, adaxial surface smooth or scabrid, abaxial surface smooth, margins scaberulous near apex, young blades rolled; auricles to 2 mm or absent; ligule to 2.5 mm, truncate. Raceme straight, 6–20 cm, slender; rachis smooth, spikelets their own length or more apart. Spikelets 0.8–1.6 cm, florets 5–10; glume linear-lanceolate, 1/2–2/3 as long as spikelet, 3–7-veined, apex obtuse or acute; lemmas elliptic, plump, 3.5–5.4 mm, apex rounded, erose, usually awnless; palea spinulose along upper keels. Caryopsis length 2–3 times width. Fl. and fr. Jul–Aug. 2n = 14.
Fields, roadsides, introduced. Heilongjiang, Xinjiang [Afghanistan, W Russia; Europe].
This species is a weed of Linum fields.
别名：疏穗黑麦草;
科名：禾本科 Gramineae
属名：黑麦草属 Lolium
5．疏花黑麦草（新疆植物检索表）图版33：3
Lolium remotum Schrank in Baier. Fl. 1: 382. 1789; Nevski in Kom. Fl. URSS 2: 547, pl. 44. f. 4. 1934; Tzvel. in Fed. Poac. URSS 423. 1976; Humphr. in Tutin et al. Fl. Europ. 5: 154, 1980; 新疆植物检索表1: 143, 1982.
一年生。秆直立，细弱，高30-80厘米，花序以下部分微粗糙。叶鞘平滑；叶片线形，扁平，上面微粗糙。穗形总状花序长6-12厘米，细瘦，穗轴平滑；小穗长8-16毫米，含5-7小花；颖线形，长6-16毫米，短于其小穗；外稃长4-5毫米，无芒。颖果长3-4.5毫米，胚小形。花果期7-8月。染色体2n＝14（Tischler 1934，Frey et al．1981）。
产新疆、黑龙江。生于亚麻田间或路旁。俄罗斯西伯利亚、欧洲、地中海地区、小亚细亚有分布。模式标本采自欧洲中部。
《Flora of China》 Vol. 22 (2006)
Lolium remotum Schrank
疏花黑麦草 shu hua hei mai cao
Annual. Culms erect, slender, 30–100 cm tall, 3–4-noded, smooth or scaberulous below inflorescence. Leaf blades linear, up to 25 cm × 1–6 mm, adaxial surface smooth or scabrid, abaxial surface smooth, margins scaberulous near apex, young blades rolled; auricles to 2 mm or absent; ligule to 2.5 mm, truncate. Raceme straight, 6–20 cm, slender; rachis smooth, spikelets their own length or more apart. Spikelets 0.8–1.6 cm, florets 5–10; glume linear-lanceolate, 1/2–2/3 as long as spikelet, 3–7-veined, apex obtuse or acute; lemmas elliptic, plump, 3.5–5.4 mm, apex rounded, erose, usually awnless; palea spinulose along upper keels. Caryopsis length 2–3 times width. Fl. and fr. Jul–Aug. 2n = 14.
Fields, roadsides, introduced. Heilongjiang, Xinjiang [Afghanistan, W Russia; Europe].
This species is a weed of Linum fields.