苞: Ⅰ名词1.(苞片; 包着花骨朵的小叶片) bud; the calyx of a flower 短语和例子含苞未放 still in bud [calyx]; in early puberty; still a virgin; 开苞 blossom2.(姓氏) a surname 短语和例子苞华 bao huaⅡ形容词[书面语] (丛生而繁密) luxuriant; pro
They have a protective cover of bracts and scales from time of initiation . 从开始孕育时，花芽便具有一层由苞片和鳞片构成的保护层。
2.
Fruit oblate , 1 . 7 cm in diameter , base with persistent bracts and sepals 果扁球形，直径1 . 7厘米，基部托以宿存苞片和萼片。
3.
Anterior bract cell 前苞片细胞
4.
It may be reduced or highly colored , as in the scarlet bracts of poinsettia 一般较小，但也有大形而呈各种颜色的，例如猩猩木中鲜红色的苞片。
5.
In the grasses bracts are borne in pairs below the spikelets and are called glumes 在禾本科植物中苞片成对生长在每一个小穗的基部，称为颖片。
6.
In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre 在菊科植物中，苞片数目多而聚生在花序外围，称为总苞。
7.
In the early january , ovuliferous scale primordial were acropetally formed in the axils of the developing bracts 翌年1月初，在苞片原基的叶腋处，珠鳞原基发生，发生方向亦为向顶发育。
8.
Spadix rachis flat , margin with bract - like appendages ; flowers small , monoecious , in 2 series on rachis , apetalous 肉穗花序轴扁平，边缘有苞片状附属物；花小，单性，雌雄同株，呈2列排列于花序轴上，无花被。
9.
Description : evergreen trees to 20 m tall , glabrous throughout ; buds , young twigs , lower surfaces of leaves , and bracts covered with white powder 形态特徵:常绿乔木，高达20米；各部均无毛；芽、幼枝、叶背和苞片均背白粉。
