lower floret staminate, lemma slightly shorter than lower glume, palea subequaling lemma;
雄蕊花的下部小花,外稃稍短于下部颖片,外稃的近相等内稃;
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lower lemma similar to upper glume, palea well developed but floret barren;
更低的外稃类似于上面颖片,除了无意义小花的内稃发育良好;
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lower floret neuter or infrequently staminate, lemma as long as upper glume, ovate, 7-veined;
很少发生雄蕊花的更下部的小花中性或,外稃倍于上面颖片,卵形,7;
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两性的上面小花,外稃线形到心形,深深2裂,2齿,全缘,通常具芒的或很少的短;
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upper floret ca. 2 mm, lemma apex awned, awn flanked by 2 slender erect bristles;
2纤细的直立刚毛从侧面包围的上面小花约2毫米,外稃先端具芒,芒;
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callus of floret shortly and inconspicuously hairy, lateral hairs longest;
短的小花的胼胝体和不明显有毛,侧的毛长;
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子房1室,花柱(1或者)2(很少3),离生或在基部合生,顶端为羽毛状的柱头,在小花的侧面或顶端露出。
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枝梢。叶片边缘或叶片大部分可变为银白色。小花3朵簇生于枝顶。
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lower floret staminate or neuter, lemma firmly herbaceous, 7-veined, palea well developed;
中性的更下部的小花雄蕊花或,坚定草质的外稃,脉,内稃发育良好;
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upper floret with palea as long as lemma, 2 styles arising separately from ovary apex, not elongate.
从子房先端分别出现的上面小花具内稃倍于外稃,2种风格,不拉长。
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lower floret staminate, lemma narrowly oblong, subequaling glumes, palea well developed;
雄蕊花的下部的小花,外稃狭长圆形,近相等颖片,内稃发育良好;
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