Catkins opposite or alternate ; flowering branchlets glabrous or subglabrous .

柔荑花序对生或互生；花小枝无毛或近无毛。

In spring , the flying catkins are almost everywhere .

春天来了，满天都是飘舞的飞絮。

Several other conifers produce small male catkins .

其它几种针叶树产生小雄花序。

Leaves and catkins very small .

叶和柔荑花序很小。

Male inflorescences erect catkins ; flowers in clusters of 1-3 ( - 5 ) with each cluster subtended by a bract ; perianth 6-parted ; stamens 10-12 ( - 20 ) ; rudimentary pistil pubescent .

雄花序为直立柔荑花序；雄花1-3(-5)朵簇生，被一个苞片包围；花被6分开；雄蕊10-12(-20)；不育雌蕊被短柔毛。