柔荑花序

（指植物）具有柔荑花序。有序杂环亚胺共聚物

( of plants ) bearing or characterized by aments or catkins . ordered heterocyclic-imide copolymer

柳树柳属的落叶树或灌木，叶子通常狭长，柔荑花序内有雌雄同蕊的花，其木质结实且轻。

Any of various deciduous trees or shrubs of the genus salix , having usually narrow leaves , unisexual flowers borne in catkins , and strong lightweight wood .

一种铁木属落叶树木，尤指生长于北美东部的美洲铁木，有单性花组成的柔荑花序和类似啤酒花藤的果实串。

Any of several deciduous trees of the genus Ostrya , especially O.virginiana of eastern North America , having unisexual flowers grouped in catkins and fruit clusters resembling hops .

桦一种桦属的落叶树木或灌木，生长于北半球，生有柔荑花序，互生、单茎齿状叶子的单性花以及经常脱去薄如纸层的树皮。

Any of various deciduous trees or shrubs of the genus betula , native to the northern hemisphere and having unisexual flowers in catkins , alternate , simple , toothed leaves , and bark that often peels in thin papery layers .