花的演化律

The flower evolution regularity

被子植物花瓣数的演化是有一定规律的,它是以不大于自然数5为演化基数。花的其它部分的数目,是花基数的整数倍。

The angiosperm petals evolution was reguler.The evolution base number of petals were not more than five.The number of the other parts of the flower is integer times of the petals.