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bract

美 [brækt]英 [brækt]

n.【植】苞；苞片
网络苞叶；苞鳞；苞片状

复数：bracts

bract

英-汉英-英网络释义

bract

苞片

苞片（Bract）：古籍上称为“箨”或“小包衣”，是变态的叶。存在于花梗基部，花生于其腋内，故也称花苞片。

苞叶

英语新词汇与常用词汇的翻译(B) ... brackish 有盐味的 bract 苞叶 bracteal 苞的 ...

苞鳞

...状排列在纵轴上,由两部分组成:下面较小的薄片称为苞鳞(bract); 上面较大而顶部肥厚的部分称为珠鳞 ( ovuliferou...

苞片状

植物拉丁名中英文解释 - 分析检测求助交流 ... ... (digitately compound) 指状复叶 (bract) 苞片状 (lamina;blade) 叶片 ...

托叶

附表一－十进制倍数和科学单位约数的前缀 -... ... bp 碱基对 bract 苞片，托叶 breed 品种 ...

植-苞

bractlike - 生物医药大词典 ... ·bracteody【植】 - 苞片化 ·bract【 植】 - 苞 ·bract scale【植】 - 苞鳞 ...

例句：

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。

Scape simple , erect , usually with a few small, bract like leaves .

花葶单一，直立，通常具一些小的，苞片状叶。

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。

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。

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。

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。

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。

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。

Stomatal density and stomatal index on upper epidermis of petal, bract and calyx were smaller than those on lower surface.

花瓣、苞片和花萼上表皮的气孔密度和气孔指数均小于下表皮的。

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。

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。

pedicel slender , pubescent , subtended by a subulate bract .

花梗纤细，青春期，通过一个钻形的苞被包着。

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。

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。

Male flowers solitary in axil of each bract, with 2-4 bracteoles or not .

雄花单生于苞片的腋内，有 2-4 小苞片或无。

Stipules persistent, often becoming a rounded , dentate bract .

托叶宿存，经常成为一圆形，有齿的苞。

Flowers spirally arranged , (1 or )3 borne in axil of a fleshy bract , appearing sunken into fleshy rachis, without bractlets, bisexual .

花螺旋状排列，（1 或）3 生于肉质苞片腋的，凹陷成为肉质的轴，没有小苞片，两性。

Stipules lanceolate , caducous, not becoming a bract .

托叶披针形，早落，不成为一个苞。

Fruit lens-shaped , attached to midrib of accrescent, membranous, reticulately veined floral subtending bract .

果透镜形，着生于增大，膜质，网状脉的花对着的苞片的中脉。

bract stalk not elongated in fruit , sparsely pubescent .

苞片柄在果期不拉长，疏生短柔毛。

1 bract subtending each flower , much broader than flower, free or connate into bell-shaped involucre.

1 苞片在每朵花下面，比花宽得多，离生或合生成铃形的总苞的。

bracts numerous, overlapping , leathery, deciduous, apex deeply 3-lobed, each bract subtending 3 flowers .

苞片多数，重叠，革质，落叶，先端 3 深裂，每苞片对着 3 花。

Inflorescences spicate, lax , to 25 cm . Flowers subsessile, solitary from bract axils.

穗状，疏松的花序，令 25 厘米花的是近无柄，苞片的单生。

Flowers hermaphroditic, with 1 bract and 2 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。

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