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Ovary 2-loculed; style of three lengths with capitate stigma below, above, or between two stamen whorls.
子房2室; 3 个长度花柱的头状柱头,在雄蕊下面、上面,或在轮生二雄蕊之间。
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Verticillasters in dense capitula or spikes, or widely spaced; bract margin acute serrate or spinescent, rarely entire.
在紧密的头状的或穗状花序,或稀疏排列里的轮状聚伞花序;苞片边缘锐尖的有锯齿或者具刺,很少全缘。
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Inflorescences solitary, axillary, often pedunculate, seated on a receptacle; receptacles at first broadly subcampanulate, soon expanded, of unisexual flowers; male and female inflorescences often separate or sometimes mixed in same receptacle, rarely male ones capitate or cymose without receptacle; involucral bracts in 1 or 2 whorled rows along margin of receptacle.
花序单生,腋生,通常有花序梗,在一花托上坐下;花托最初宽近钟状,不久膨大,单性花(植株雌雄同株或异株;雄和雌花序通常有时分开或在相同花托内混合,很少的雄性头状或没有花托;花托的总苞片1或2轮排在边缘。
- 更多网络解释与轮状头相关的网络解释 [注:此内容来源于网络,仅供参考]
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trochocephaly:圆头畸形
trochocephalus 圆头畸胎 | trochocephaly 圆头畸形 | trochoid 车轴关节 次摆线 旋轮线 枢轴关节 枢轴状