1·Flower: There are perianth, androecium and gynoecia on receptacle.
在花托上着生花被片、雄蕊群和雌蕊。
2·The stamen initiated in non-direction, and when the androecium has more stamens, the inner initiated first, then the outer.
商陆属的雄蕊发生没有特定的顺序和方向，多雄蕊时内轮雄蕊先发生。
3·The present status and prospect of studies on specific genes for development of androecium, pistil and petals of higher plants are reviewed in this paper.
阐述了近年来有关植物花器官包括花瓣、雄蕊和雌蕊发育的特异性基因研究的现状与展望。
4·The results were as follow:complete flower, corymb inflorescens, imferior ovary, rotate corolla, androecium with 16~30 stamens, compound pistil with 5~6 stigmas;
结果表明：香梨为完全花，伞房花序，花冠轮生辐射对称，雄蕊16～ 30枚，柱头多为5枚，极少数为6枚。