波申雀麦Bromus paulsenii Hack. ex Paulsen
科名:禾本科 Gramineae
属名:雀麦属 Bromus
《中国植物志》第9(2)卷347页
19.波申雀麦(拟)
Bromus paulsenii Hack. ex Paulsen in Kjoeb. Viddensk. Medded. 174. 1903; Bor in Rech. f. Fl. Iran. 70: 141. 1970.
多年生,密丛。秆直立,高20-40厘米,具2节,上部长裸露,被微柔毛。叶片长8-巧厘米,宽约5毫米,质硬直伸,线状渐尖,密被柔毛或绢毛。圆锥花序卵形,直立开展,长10-12厘米,分枝孪生或单生,1枚小穗;小穗披针形,长20-25毫米,含7花,黄色;颖披针形,先端尖,第一颖具1-3脉,第二颖3-5脉,无毛;外稃长宽披针形,先端与边缘干膜质,具7脉,无毛或粗糙或具微小糙毛,芒直伸,长3-5毫米。花期6-8月。
产新疆。生于山坡、草地。分布于帕米尔、伊朗高原。模式标本采自帕米尔。
《Flora of China》 Vol. 22 (2006)
Bromus paulsenii Hackel ex Paulsen
波申雀麦 bo shen que mai
Bromopsis angrenica (Drobow) Holub; B. pamirica (Drobow) Holub; B. paulsenii (Hackel ex Paulsen) Holub; B. paulsenii subsp. angrenica (Drobow) Tzvelev; B. paulsenii subsp. pamirica (Drobow) Tzvelev; B. paulsenii subsp. turkestanica (Drobow) Tzvelev; B. turkestanica (Drobow) Holub; Bromus angrenicus Drobow; B. pamiricus Drobow; B. turkestanicus Drobow; Zerna angrenica (Drobow) Nevski; Z. pamirica (Drobow) Nevski; Z. paulsenii (Hackel ex Paulsen) Nevski subsp. pamirica (Drobow) Tzvelev; Z. turkestanica (Drobow) Nevski.
Perennial, often with rhizomes, basal sheaths persistent, fibrous or lacerate. Culms densely tufted, erect or geniculately ascending, 20–40 cm tall, pubescent or upper part often glabrous, 2-noded. Leaf sheaths smooth, glabrous; leaf blades linear-acuminate, hard, erect, flat or slightly inrolled, 8–15 cm × (2–)3–5 mm, densely pubescent; ligule short. Panicle ovoid, erect or spreading, (6–)10–12 × 5–6 cm; branches paired or single, often shorter than spikelet, scabrid, each bearing 1 spikelet. Spikelets lanceolate, 20–25 mm, florets 5–7, yellow; glumes lanceolate, glabrous, apex acuminate, lower glume 6–8 mm, 3–5-veined, upper glume 8–10 mm, 3–5-veined; lemmas broadly lanceolate, ca. 10 mm, 7-veined, glabrous, smooth or scabrid, margins and apex dry membranous; awn 3–5 mm, straight. Fl. Jun–Aug.
Grassy slopes; 2000–4000 m. Nei Mongol, Xinjiang [Afghanistan, Kazakhstan (Tien Shan), Kyrgyzstan, Tajikistan (Pamirs), Uzbekistan].
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