bract的例句大全

bract ovate; perianth shallowly cupular, puberulent, outer lobes broadly lanceolate, ca. 1. 8 mm, inner ones slightly shorter than outer;

苞片卵形花被浅杯状，被微柔毛，外部裂片宽披针形的，大约1.8毫米，内部的稍短于外部的；

pedicel bearing a bract and bracteole toward either base or apex, pubescent, puberulent, or glabrous;

花梗向基部或先端生苞片和小苞片，短柔毛，被微柔毛，或无毛；

first bractlet similar to bract but apically 2- or 3-cuspidate.

首先除了顶部骤尖2或3的小苞片类似苞片。

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。

3 (2) female bracts ovate-rhombic, 3-7 flowers in each bract; styles 5-7 mm, exserted (cultivated).

卵形菱形的雌花苞片，3-7花生于每苞片；花柱5-7毫米，外露（栽培的。

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。

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。

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。

with the development of flower, the stomatal density and stomatal index on the petal, bract and calyx increased firstly and then decreased.

随着花的发育，花瓣、苞片和花萼上的气孔密度和气孔指数一般呈现先上升后下降的变化趋势。

Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.

苞鳞：在裸子植物的雌球果中大量存在的结构，每个苞鳞都包含一个珠鳞。

Corn bract reduces the leukocyte apoptosis and CD_ ( 44) expression in rabbits with atherosclerosis

玉米苞叶降低动脉硬化家兔白细胞凋亡及CD（44）表达

Bract-scale and seed-scale complex theory and a new evolutionary model of reproductive organs of seed plants

苞鳞-种鳞复合体理论和种子植物生殖器官演化模型

The germination temperature for seeds with bract was 10~ 30 ℃;

其带苞片种子适宜的发芽温度为10~30℃；

Genetic Analysis of Ear Bract Characters in Maize

玉米果穗苞叶性状的遗传分析

Shade had no effects on blooming date, but flower diameter, bract area had negative correlation significantly ( P < 0.05) with shade degree, and content of cyanidin had negative correlation very significantly ( P < 0.01) with shade degree.

遮荫对花期五明显影响，但花径、苞叶面积与遮荫度显著负相关（P＜0.05），苞叶花青素含量与遮荫度极显著负相关（P＜0.01）。

bract ovate; perianth shallowly cupular, puberulent, outer lobes broadly lanceolate, ca. 1. 8 mm, inner ones slightly shorter than outer;

苞片卵形花被浅杯状，被微柔毛，外部裂片宽披针形的，大约1.8毫米，内部的稍短于外部的；

bract blade palmately parted, broadly rhombic, 1--2 cm, abaxially sparsely puberulent, margin dissected lobed.

掌状深裂的苞片，宽棱形，1-2厘米，被微柔毛的背面稀疏，边缘多裂浅裂的。

involucral bract blade 3-parted, obovate-rhombic, 1--3 cm, puberulent.

总苞片3深裂，倒卵形菱形，1-3厘米，被微柔毛。

bract blade palmately parted, broadly rhombic, 1--2 cm, abaxially sparsely puberulent, margin dissected lobed.

掌状深裂的苞片，宽棱形，1-2厘米，被微柔毛的背面稀疏，边缘多裂浅裂的。

bract blade palmately parted, broadly rhombic, 1--2 cm, abaxially sparsely puberulent, margin dissected lobed.

掌状深裂的苞片，宽棱形，1-2厘米，被微柔毛的背面稀疏，边缘多裂浅裂的。