bract

美 [brækt]
英 [brækt]
  • n.【植】苞；苞片
  • 网络苞叶；苞鳞；苞片状
复数：bracts  

英汉

英英

网络释义

n.
1.
【植】苞,托叶;苞片

例句

释义:
全部全部,苞苞,苞片苞片,苞叶苞叶,苞鳞苞鳞,苞片状苞片状
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
The bract primordium with its axillary flower primordia is dome-shaped in the beginning and then elongates.
苞片原基及其腋生的花原基最初呈圆丘状，随后伸长。
www.chinbullbotany.com
2.
Stipules lanceolate, ca. 4 mm, membranous, densely covered with short brown pubescence, glabrescent , basal ones bract like and persistent.
托叶披针形，约4毫米，膜，密被短的棕色的有毛，后脱落，基生者苞片状和持久。
www.showxiu.com
3.
Bract base decurrent; bractlet margin membranous laterally, but apex herbaceous, acute; anther appendage apex pungent.
苞片基部下延；小苞片侧面边缘膜质的，但是顶草质，锐尖；花药附属物先端锐尖。
www.flora.ac.cn
4.
We previously reported that SUPERNUMERARY BRACT (SNB) regulates the transition of spikelet meristems into floral meristems in rice.
我们之前已经报道过SNB（多颖壳）基因，它调控着水稻小穗分生组织向花分生组织的转变。
www.ricedata.cn
5.
bract absent. Flowers bisexual, usually nodding at anthesis, ascending in fruit, spreading funnelform.
苞片无花两性，通常有节的在花期，在果期上升，平展漏斗状。
www.flora.ac.cn
6.
Bract base not decurrent; bractlet margin membranous throughout, apex obtuse; anther appendage apex obtuse.
苞片基部不下延；边缘膜质的小苞片全部，先端钝；花药附属物先端钝。
www.flora.ac.cn
7.
Bract keeled; bracteoles distinct; inflorescences of spikes, flowers sunken into rachis.
苞片龙骨状；小苞片清楚；穗状花序的花序，花凹陷的成为轴。
www.flora.ac.cn
8.
involucral bract leaflike; heads many, hemispheric, many flowered.
总苞片叶状头状花序很多，半球形，多花的。
www.flora.ac.cn
9.
Stem leaves short petiolate, as large as or slightly smaller than basal leaves; calyx at anthesis shorter than bract.
茎生叶短叶柄，象或稍小于基生叶一样大；花萼在花期短于苞片。
www.flora.ac.cn
10.
Inflorescences axillary or lateral, produced with young leaves, paniculate or racemose, pendent, flowers 1 per bract.
花序腋生或侧生，与幼叶一起生出，圆锥状或总状，下垂，每苞片1花。
www.flora.ac.cn