- 更多网络例句与多小鳞片的相关的网络例句 [注:此内容来源于网络,仅供参考]
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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。
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Roots fasciculate, stringy; stems with 1 or 2 pairs of scalelike leaves near base; upper leaves obtuse at apex, rust-colored pubescent
根束状,多筋;茎具1或2对鳞片状叶近基部;上部叶片先端钝,锈色的短柔毛 58 var。 cinerascens 小寸金黄
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equisetum:问荆属
有多条纵脊. 叶小,鳞片状,轮生,基部连合成鞘状. 孢子叶盾形,在小枝顶端排成穗状;孢子圆球形,表面着生十字形弹丝4条. 染色体:X=9. 分布于热、温、寒三带. 我国有木贼属(Hippochaeta)和问荆属(Equisetum)两属,共10余种,已知药用的有8种.
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Bombyliidae:蜂虻科
属双翅目(Diptera)蜂虻科(Bombyliidae)昆虫. 许多种似蜂. 多数有长吻,能从花中取蜜. 体被密毛;许多种的体上(有时在翅上)有纤细的鳞片形成的斑. 有几种很小,尚未见其幼虫和蛹的发育阶段. 多数种分布在热带. 温带种体长1公分多(0.4吋).
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Fulgoridae:蜡蝉科
斑衣蜡蝉(Lycorma delicatula White) 属蜡蝉科(Fulgoridae),大、中型,体色美丽. 头圆,触角3节,短,末端1节针毛状,着生于复眼下. 翅膜质,翅脉多分支,多横纹,造成网状,后翅臀区翅脉也呈网状. 体上常有白蜡状的物质. 前翅基部有鳞片状小片.
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Hedera nepalensis:{常春藤}
呈心形,深绿色,叶脉灰绿色,茎和叶柄都呈暗红色. 另有变种斑叶加拿利常春藤,叶缘为轮廓清晰的白色,整个叶片犹如一副水墨画,清新淡雅,富有诗情画意. 中华常春藤(Hedera nepalensis)也称多枝常春藤,其小枝上有鳞片状毛,叶全缘或3裂.