Pollination mechanism adapted to environment in angiosperm 's evolution .

被子植物在进化中与环境相适应的传粉机制。

Section 2 developmental tendency and calssfied principles of angiosperm .

被子植物的发展趋势和分类原则。

Shrubs or trees of north america or asia having entire evergreen or deciduous leaves ; among most ancient of angiosperm genera .

产于北美或亚洲的一个灌木或乔木属，叶完全常绿或落叶性；包括在大多数古代被子属中。

Distribution of rare angiosperm polypetalae species in wu and tachia river watersheds .

乌溪与大甲溪流域之稀有被子植物离瓣花群分布。

Distribution of rare angiosperm sympetalae species in wu and tachia river watersheds .

乌溪与大甲溪流域之稀有被子植物合瓣花群分布。