轮状头

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。

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。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。