Betulaceae

Betulaceae的基本解释

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桦木科

与Betulaceae相关的网络例句 [注：此内容来源于网络，仅供参考]

An inflorescence consisting of a dense spike or raceme of apetalous, unisexual flowers, as in Salicaceae and Betulaceae; an ament.

柔荑花序 Catkin 由无被单性花组成的密集的穗状或总状花序，如杨柳科和桦木科。

A group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae; sometimes classified as a superorder.

主要是木本植物的一个集合，被视为最原始的木本植物之一；没有花被，或花被发育的较差；其花通常是雌雄同体，为荑花序，通常通过风来受精。

The suspensor is developed fully at the stage of globular embryo and consists of 3 cells, which are degenerated later. The organization and development of the female flower and the type and synchrony of embryogenesis in Betulaceae are also discussed.

本文同时对雌花的结构和发育特点在桦木科各属中的异同、白桦胚胎发生类型及胚胎发育进程的同步性进行了讨论。

Alnus formosana that belongs to Alnus of Betulaceae is a tall deciduous arbor, and its native area locates in Taiwan province.

台湾桤木为桦木科桤木属落叶大乔木，原产台湾。

Alnus formosana that belongs to Alnus of Betulaceae is a tall deciduous arbor, and its native area locates in Tai...

台湾桤木为桦木科桤木属落叶大乔木，原产台湾。

与Betulaceae相关的网络解释 [注：此内容来源于网络，仅供参考]

Betulaceae; birch family; hazelnut family; Corylaceae：桦木科

桦木属(桦木科) Betula;birch | 桦木科 Betulaceae; birch family; hazelnut family; Corylaceae | 印度大麻 bhang; Cannabis indica

Betulaceae：桦木科

该...产品类别:实木类 产品名称:印茄木(Intsiaspp) 产品规格:910*125*18 木材名称:菠萝格 产地:印尼 产品信息:气干密度0...木材名称:龙脑香(Dipterocqrpusspp) 产地:印尼 国外名称:Balsamo 俗称:克隆 材性及用途:气干密度0.70-0...赤杨(也称桤木,水冬瓜)(alderAlnus),桦木科(Betulaceae)桤 木属(Alnus),

Betulaceae：桦科

bettle 木夯 | Betulaceae 桦科 | Betulaceoipollenites 桦粉属

Betulaceae：二十七、桦木科

二十六、杨柳科Salicaceae | 二十七、桦木科. Betulaceae | 二十八、榛科Corylaceae

Betulaceae：三十、桦木科

二九、胡桃科Juglandaceae | 三十、桦木科Betulaceae | 三一、壳斗科Fagaceae