bract
- 单词发音：英 [ brækt ] 美 [ brækt ]
- 基本解释：n.[植]苞叶,苞
- bract 是什么意思及中文翻译：
- 名词(n.) 苞叶，苞
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- anterior bract cell.
前苞片细胞
- Bract margin acute serrate or spinescent, rarely entire.
苞片边缘锐尖的有锯齿或者具刺，很少全缘。
- A small chafflike bract enclosing the flower of a grass.
内稃一种包住花的禾木科小穗上的苞片
- Stipules persistent, often becoming a rounded, dentate bract.
托叶宿存，经常成为一圆形，有齿的苞。
- Study on tissue culture from bract explant of dwarf Euphorbia pulchrrima
矮生一品红苞片外植体组织培养技术研究
- Furthermore, we also confirmed the view that sepal and bract are homologous.
此外，本文也进一步证实了花萼与苞片的同源性。
- Flowers hermaphroditic, with1 bract and2 bracteoles, axillary or clustered into spikes.
花两性，具1苞片和2小苞片，腋生或簇生成穗状花序的。
- There was no inverted vascular bundle developed in the bract scale of Thuja occidentals.
崖柏属雌球果的苞鳞中没有倒转的维管束形成。
- The results showed that stomata distributed in upper and lower epidermis of petal， bract and calyx.
结果表明，花瓣，苞片和花萼上，下表皮均有气孔分布。
- It has long been believed that plant bract is one kind of metamorphism of or evolved directly from leaf.
一般认为，苞片是叶片的变态或自叶片演化而来。
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