平行脉叶
- 与 平行脉叶 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Results showed: in Podocarpus leaves, there is only one midrib, the xylem tracheid of midrib vascular bundle is multi-form, transfusion tissue belongs to Cycas-type and transfusion tracheids are isodiametric, the accessory transfusion tracheids between palisade tissue and sponge tissue are developed; in Nageia leaves, there are plenty of parallel leaves, the xylem tracheids of each vein are relatively simple, transfusion tissue belongs to Taxus-type and transfusion tracheids are longer in longitudinal section than that in transverse section, the accessory transfusion tissue between palisade tissue and sponge tissue is absent.
结果表明:罗汉松属叶1条主脉,主脉维管束木质部管胞发达,转输组织为苏铁型,转输组织管胞等径,栅栏组织和海绵组织之间的副转输组织管胞发达;竹柏属叶多条平行叶脉,维管束木质部管胞相对不发达,转输组织为红豆杉型,转输组织管胞纵向伸长,栅栏组织和海绵组织之间不存在副转输组织。
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Leaves basal and/or cauline, alternate, opposite, or whorled, parallel or rarely reticulate veined.
叶基生和茎生,互生,对生,或者轮生,平行脉或者很少网状脉。
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Leaves petiolate; leaf blade papery to membranous, secondary veins 1 or 2 on each side of midvein, tertiary veins parallel, margin usually serrulate.
叶具叶柄叶片纸质到膜质,次脉在中脉两边各1或2,平行的第三脉,边缘通常有细锯齿的。
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Leaves parallel veined, without clear, transverse venation between main veins; filaments not forming a ring.
平行脉的叶,没有清楚,在主脉之间的横向脉序;花丝不形成一枚戒指。
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Leaves distichous, simple, those toward base of plant usually bladeless and reduced to sheaths; leaf sheath open; ligule usually present; petiole present or not, located between leaf blade and sheath, cushionlike in Zingiber ; leaf blade suborbicular or lanceolate to narrowly strap-shaped, rolled longitudinally in bud, glabrous or hairy, midvein prominent, lateral veins usually numerous, pinnate, parallel, margin entire.
单叶二列,基部的叶通常无叶片,退化成叶鞘;叶鞘开放叶舌通常有;叶柄有或无,位于叶片和鞘之间,在姜属里为垫状;叶片近圆形或者披针形,或狭带形,在芽期卷曲,无毛或有毛,中脉显著,侧脉通常多数,羽状,平行,边缘全缘。
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Leaves petiolate; leaf blade secondary veins 2-4 on each side of midvein, tertiary veins parallel, margin entire or denticulate.
叶具叶柄叶片次脉2-4在中脉两边各,平行的第三脉,边缘全缘或具小齿。
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Leaves petiolate; leaf blade usually papery, secondary veins 2-4 on each side of midvein, tertiary veins parallel.
叶具叶柄纸质的叶片通常,次脉2-4在中脉两边各,平行的第三脉。
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Lenticels sparse, inconspicuous on branches; leaves with strongly raised parallel cross-bars on veinlets; flowers reddish.
在分部稀少,不显眼的皮孔;叶具强烈在细脉上提高平行的横脉;花带红色。 12 A。 ulmifolia 榆叶猕猴桃
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Like most monocots, orchids generally have simple leaves with parallel veins, although some Vanilloideae have a reticulate venation.
就如同大部分的单子叶植物,兰科植物通常具有有平行脉的单叶,尽管一些香荚兰亚科植物具有网状叶脉。
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Leaves alternate, often 2-ranked, often oriented edgewise to aerial stem, usually sword-shaped to linear, parallel veined, base sheathing.
叶互生,通常2列,通常着生于侧面到茎上,通常剑形到线形,平行脉,平行脉,基部具鞘。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。