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歧序剪股颖
,無編輯摘要
种:歧序剪股颖
分布区域:中国[[黑龙江]]、[[吉林]]、[[辽宁]]、 [[内蒙古]]、[[河北]]等省及 前[[苏联]]、[[蒙古]]
拼 音:qí xù jiǎn gǔ yǐng
外稃长1.4-1.5毫米,略短于颖,脉明显;内稃倒卵形或倒披针形,长约1毫米,与外稃的2/3长度相等,先端平截,有齿。颖果长圆形或近椭圆形,长约1毫米,红褐色。花果期7-8月。
(资料来源:中国植物物种信息)
Perennial, loosely tufted, sometimes shortly rhizomatous. Culms usually many, erect, 40–100 cm tall, ca. 2 mm in diam., 4–5-noded. Leaf sheaths smooth; leaf blades linear, soft, 7–8 cm × 1–3 mm, sharply scabrid on both surfaces, narrowly acuminate; ligule on tillers 2–2.5 mm, on culm leaves 2.5–4 mm.
Panicle ovate in outline, 10–25 cm, remaining open after anthesis; branches 6–8 per node, widely spreading, very slender, slightly flexuous, up to 15 cm, sharply scabrid, bare in lower half.
Spikelets 1.8–2.3 mm, dark purple; glumes lanceolate, equal, keel of lower glume scabrid above middle, apex acuminate; callus glabrous or nearly so; lemma 2/3–3/4 spikelet length, awnless or sometimes with awnlet up to 1 mm, apex obtuse; palea 1/2–2/3 length of lemma. Anthers 0.8–1.2 mm. Fl. and fr. Jul–Aug.
==分类文献==