细雀麦Bromus gracillimus Bunge
细雀麦Bromus gracillimus Bunge
45．细雀麦（西藏植物志）图版41：8，8a
Bromus gracillimus Bunge in Mem. Acad. Sci. Petersb. Sav Etr. 7: 527. 1951; Krecz. et Vved. in Kom. Fl. URSS 2: 574. 1934; Bor, Grass Burma Ceyl. Ind. Pakist. 454. 1960. et Rech. f. Fl. Iran. 70: 129. 1970; T. A. Cope in E. Nasir. Fl. Pakist. 143: 573. 1982; 西藏植物志5: 136, 图68. 1987. ——Nevskiella gracillimus(Bunge) Krecz. et Vved. in Acta Univ. Asiae mediae ser 86 Bot, 17: 15. 1934; Tzvel. in Fed. Poac. URSS 234. 1976. ——Bromus crinitus Boiss. et Hoh. in Diagn. 2(13): 64. 1853.
一年生。秆高20-40厘米，较细瘦，节或节间生细毛。叶鞘闭合，具柔毛；叶舌长约2毫米，先端撕裂；叶片扁平，长10-15厘米，宽3毫米左右，两面生短柔毛，边缘粗糙。圆锥花序开展，长约10厘米，宽3-5厘米；分枝4-8枚轮生于各节，长2-6厘米，疏生1-4枚小穗，平滑无毛；小穗宽椭圆形，含3-6小花，长5-8毫米；颖片边缘膜质，先端尖，第一颖长3-4毫米，具1脉，第二颖长4-5毫米，具3脉；外稃倒披针形，长3.5-4.5毫米，具5-7脉，边缘强烈内卷，生细纤毛；芒自顶端二微齿间伸出，长15-20毫米，细直；内稃与外稃近等，脊具纤毛；花药长约0.5毫米。颖果扁平，长约3毫米。花果期6-8月。染色体2n=14（Sokolovskaya 1939）．
产西藏西部（扎达）、新疆（塔什库尔干）。生于山坡或河岸灌丛草地，海拔2000-3400（-4200)米。分布于喜马拉雅西北部、巴基斯坦、伊朗、阿富汗、土耳其、俄罗斯。
《Flora of China》 Vol. 22 (2006)
Bromus gracillimus Bunge
细雀麦 xi que mai
Nevskiella gracillima (Bunge) V. I. Kreczetowicz & Vvedensky.
Annual. Culms slender, erect or geniculately ascending, 20–40 cm tall, sparsely hairy. Leaf sheaths pubescent; leaf blades flat, 10–15 cm × ca. 3 mm, both surfaces pubescent, margins scabrid; ligule ca. 2 mm. Panicle ovate in outline, lax, 4–10 × 3–5 cm; branches whorled, 4–8 per node, 2–6 cm, glabrous, each bearing 1–4 spikelets. Spikelets broadly elliptic, 5–8 mm, florets 3–6; internodes exposed; lower glume lanceolate, 3–4 mm, 1-veined, upper glume narrowly ovate, 4–5 mm, 3-veined, margins membranous, apex acuminate; lemmas oblanceolate, 3.5–4.5 mm, 5–7-veined, margins strongly inrolled and sparsely ciliolate, apex minutely 2-toothed, awned from sinus; awn 15–20 mm, slender, straight; palea subequal to lemma, keels ciliolate. Anthers 0.3–0.5 mm. Fl. and fr. Jun–Aug. 2n = 14.
Mountain slopes, river banks, grassy places among thickets; 2000–3400(–4200) m. Xinjiang, W Xizang [Afghanistan, Kashmir, Kazakhstan, Pakistan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia (Iran)].
科名：禾本科 Gramineae
属名：雀麦属 Bromus
45．细雀麦（西藏植物志）图版41：8，8a
Bromus gracillimus Bunge in Mem. Acad. Sci. Petersb. Sav Etr. 7: 527. 1951; Krecz. et Vved. in Kom. Fl. URSS 2: 574. 1934; Bor, Grass Burma Ceyl. Ind. Pakist. 454. 1960. et Rech. f. Fl. Iran. 70: 129. 1970; T. A. Cope in E. Nasir. Fl. Pakist. 143: 573. 1982; 西藏植物志5: 136, 图68. 1987. ——Nevskiella gracillimus(Bunge) Krecz. et Vved. in Acta Univ. Asiae mediae ser 86 Bot, 17: 15. 1934; Tzvel. in Fed. Poac. URSS 234. 1976. ——Bromus crinitus Boiss. et Hoh. in Diagn. 2(13): 64. 1853.
一年生。秆高20-40厘米，较细瘦，节或节间生细毛。叶鞘闭合，具柔毛；叶舌长约2毫米，先端撕裂；叶片扁平，长10-15厘米，宽3毫米左右，两面生短柔毛，边缘粗糙。圆锥花序开展，长约10厘米，宽3-5厘米；分枝4-8枚轮生于各节，长2-6厘米，疏生1-4枚小穗，平滑无毛；小穗宽椭圆形，含3-6小花，长5-8毫米；颖片边缘膜质，先端尖，第一颖长3-4毫米，具1脉，第二颖长4-5毫米，具3脉；外稃倒披针形，长3.5-4.5毫米，具5-7脉，边缘强烈内卷，生细纤毛；芒自顶端二微齿间伸出，长15-20毫米，细直；内稃与外稃近等，脊具纤毛；花药长约0.5毫米。颖果扁平，长约3毫米。花果期6-8月。染色体2n=14（Sokolovskaya 1939）．
产西藏西部（扎达）、新疆（塔什库尔干）。生于山坡或河岸灌丛草地，海拔2000-3400（-4200)米。分布于喜马拉雅西北部、巴基斯坦、伊朗、阿富汗、土耳其、俄罗斯。
《Flora of China》 Vol. 22 (2006)
Bromus gracillimus Bunge
细雀麦 xi que mai
Nevskiella gracillima (Bunge) V. I. Kreczetowicz & Vvedensky.
Annual. Culms slender, erect or geniculately ascending, 20–40 cm tall, sparsely hairy. Leaf sheaths pubescent; leaf blades flat, 10–15 cm × ca. 3 mm, both surfaces pubescent, margins scabrid; ligule ca. 2 mm. Panicle ovate in outline, lax, 4–10 × 3–5 cm; branches whorled, 4–8 per node, 2–6 cm, glabrous, each bearing 1–4 spikelets. Spikelets broadly elliptic, 5–8 mm, florets 3–6; internodes exposed; lower glume lanceolate, 3–4 mm, 1-veined, upper glume narrowly ovate, 4–5 mm, 3-veined, margins membranous, apex acuminate; lemmas oblanceolate, 3.5–4.5 mm, 5–7-veined, margins strongly inrolled and sparsely ciliolate, apex minutely 2-toothed, awned from sinus; awn 15–20 mm, slender, straight; palea subequal to lemma, keels ciliolate. Anthers 0.3–0.5 mm. Fl. and fr. Jun–Aug. 2n = 14.
Mountain slopes, river banks, grassy places among thickets; 2000–3400(–4200) m. Xinjiang, W Xizang [Afghanistan, Kashmir, Kazakhstan, Pakistan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia (Iran)].