苞

The chaffy scales on the receptacle of a flower head in a plant of the composite family,as the sun flower .

托苞在菊科植物，如向日葵中，承托盘花的花托上的一种膜质鳞片

Margins of leaf blade and bracts ciliate with a tuft of hairs at apex.

叶片和苞片的边缘具缘毛具一1束毛在先端。

Apex of ocrea not ciliate; peduncles with or without glandular hairs; bracts elliptic.

托叶鞘不具缘毛的先端；有或没有腺毛的花序梗；苞片椭圆形。

Flowers small to medium-sized, bracteate and often bracteolate, bisexual or unisexual, actinomorphic or rarely zygomorphic, hypogynous to epigynous, floral cup shallow to urn-shaped, sometimes absent; sepals 4 or 5(–10), sometimes absent, imbricate, usually persistent; petals absent or 4 or 5, yellow, white, greenish or red, often ribbonlike and circinate in bud, caducous; stamens 4, 5, or many, free, rarely arranged in 2 whorls with the inner whorl staminodal, development of polyandrous androecia centripetal or centrifugal; anthers basifixed, thecae mostly bisporangiate, each opening by two valves or a simple longitudinal slit, or monosporangiate and opening by a single valve (Exbucklandia, Hamamelis and the genera of the S hemisphere), connective protruding; disk scales sometimes present between stamens and carpels.

花小对中型，具苞片和通常，萼片4或5(-10)，有时无，覆瓦状，通常宿存；花瓣无或者4-5，黄色，白色，带绿色或者红，通常在芽期带状的并且拳卷，早落；雄蕊4，5，或者很多，离生，很少2轮生并且退化雄蕊内部轮生，多雄蕊的雄蕊群向心或离花药基着大多为的囊bisporangiate，以二裂爿或一单纵裂缝每开阔的，花盘鳞片有时片在雄蕊和心皮之间存在。

Flowers bisexual or unisexual, rarely polygamous, actinomorphic or zygomorphic, solitary or in axillary or terminal, spicate, paniculate, or racemose inflorescences, 2-bracteolate, sometimes cleistogamous. Sepals 5, equal or unequal, imbricate, persistent.

花两性或单性，很少杂性，辐射对称或左右对称，单生或为腋生或顶生的穗状花序、圆锥花序或总状花序，有两个小苞片，萼片5，相等或者不相等，覆瓦状的，宿存。

Flowers bisexual, zygomorphic, solitary, often dimorphic (cleistogamous flowers later than chasmogamous ones); pedicels axillary, 2-bracteolate.

花两性，左右对称，单生，通常二形(闭花授精花比开花受精的晚)；腋生的花梗，具2小苞片。

Colicroot with yellow-bracted racemose flowers; smaller than Aletris farinosa; southeastrn United States.

腹痛根的一种，具有黄色苞片的总状花序的花；与法氏粉条儿菜相似；生长于美国的东南部。

Bracteoles entire; fruit vittae 1(–2) in each furrow, 2 on the commissure.

小苞片全缘。果油管1(-2)在每棱槽，在合生面2。

Vittae 2 to numerous (rarely 1) in each furrow, 4–6 on commissure.

小苞片在基部愈合或者可达中部。

Vittae usually 1 in each furrow, 2 on commissure.

小苞片分开，并非在基部愈合。

If you are committed to an education career, then the Master of Arts in Education from Ashford University is for you.

如果你是致力于教育事业，那么，艺术教育硕士学位阿什福德大学是给你的。

objective:to explore the expression of survivin protein and its mrna in rectal cancer and their clinic significance.

目的：研究凋亡抑制因子survivin蛋白及其mrna在直肠癌组织中的表达及其与临床病理关系。