Longitudinal and transverse sections of different parts of involucral bract Helichrysum bracteatum(Vent.
运用形态解剖学的方法对蜡菊总苞苞片的不同部位做横、纵切片,用HCl-间苯三酚染色进行细胞壁成分定性研究。
Effects of bracts on seed germination of Ceratoides arborescens in sodium chloride;
NaCl胁迫下苞片对华北驼绒藜种子萌发的影响
Technical 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
Cloning and Analyzing of Bract Differentially Expressed Genes of Davidia Involucrata Baill;
珍稀濒危植物珙桐（Davidia involucrata）苞片差异表达基因的克隆与分析
The research aspects include:effect of temperature,bracts on seed germination;effect of NaCl concentration on seed germination and germination recovery,on radicle elongation and elongation recovery after seeding transferred to distilled water.
在光/暗(12 h/12 h)条件下研究了温度、苞片和NaCl浓度对疣苞滨藜种子萌发及其恢复的影响,同时观察萌发后幼根在NaCl中的生长和恢复情况。
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。
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。
family of chiefly tropical herbs with basal leaves like bracts and small flowers.
热带产的主要是草本的科，叶基生或似苞片，花
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
One of the two chaffy basal bracts of a grass spikelet.
颖片禾草类的小穗状花的两个禾壳状的基部苞片之一
American everlasting having foliage with soft wooly hairs and corymbose heads with pearly white bracts.
具有柔软且长有绒毛叶片和长有珍珠白苞片伞房花序的美洲蜡菊。
They have a protective cover of bracts and scales from time of intiation.
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。
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。
tropical American passion flower with finely dissected bracts; stems malodorous when crushed.
有裂开苞片的热带美洲西番莲；茎干压碎后味道难闻。
A series of bracts beneath or around a flower or flower cluster.
花被在一朵花或一束花下面或周围的一系列苞片
any of several herbs of the genus Dipsacus native to the Old World having flower heads surrounded by spiny bracts.
川续断属的草本植物，原产于旧大陆，头状花序围绕者有刺的苞片。
orchid with broad ovate leaves and long-bracted green very irregular flowers.
一种陆生兰花，叶阔卵形，花绿色、极不规则，具长苞片。
A series of bracts subtending and resembling a calyx, as in the carnation and hibiscus.
副萼生于萼下类似于真萼的一组苞片，如石竹和木槿所有的
orchid having hooded long-bracted green to yellow-green flowers suffused with purple.
一种兰花，花呈头巾状，花色从绿色到黄绿色，有长苞片。
genus of hardy orchids with leafy-bracted racemes of greenish or purplish irregular flowers.
兰科的一个属，花不规则，绿色或紫色，排成总状花序，生于叶状苞片内。
Bracts and bracteoles Morphology of Pleurospermum Hoffm. in Kun-Lun Mountains and Its Taxonomic Significance
中国昆仑山地区棱子芹属植物苞片形态及其分类学意义
Detection of Banana bract mosaic virus by real-time fluorescent RT-PCR
实时荧光RT-PCR检测香蕉苞片花叶病毒方法的建立
stonoliferous herb of southwestern United States and Mexico having a pungent rootstock and small spicate flowers with white bracts suggesting an anemone.
美国墨西哥西南部草本植物，有辛辣的块状茎，长有有白色苞片的小穗状花，使人想起银莲花。