midrib

美 ['mɪdˌrɪb]
英 ['mɪdrɪb]
  • na.【植】叶的中脉
  • 网络中肋；主脉；叶中脉
复数：midribs  

英汉

英英

网络释义

na.
1.
【植】叶的中脉

例句

释义:
全部全部,叶的中脉叶的中脉,中肋中肋,主脉主脉,叶中脉叶中脉
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
Abaxial leaf surface pubescent, at least along midrib; style glabrous.
叶背面短柔毛，至少沿中脉；花柱无毛。
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2.
Cut or lobed to, essentially to the base or to the midrib.
分或裂至叶基或中脉。
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3.
Branches usually flattened, leaflike, with a stout midrib, soft, spineless.
通常扁平，叶状的分枝，具一粗壮中脉，柔软，无刺。
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4.
midrib conspicuously raised, lateral veins inconspicuous, concave or obscure.
中脉显著提高，侧脉不显眼，凹的或不明显。
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5.
endocarp globose, slightly oblique, convex, with conspicuous, scattered netlike strips, midrib projecting.
球状的内果皮，稍偏斜，凸，带有显眼，散布的网状脱落，中脉凸出。
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6.
Leaf blade with both surfaces glabrous except for glandular-setose base of midrib, abaxial surface smooth to rugose.
除了具腺具刚毛的中脉基部的叶片具两面无毛，对具皱纹背面平滑。
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7.
Leaf bud scales persistent; ovary, calyx, corolla tube, capsule, and midrib on abaxial leaf surface setose.
叶芽鳞宿存；在具刚毛叶背面上的子房，花萼，花冠筒，蒴果和中脉。
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8.
branches usually flattened and leaflike, or 3-winged, with stout midrib, margins crenate, coarsely serrate, or lacerate, sometimes horny.
枝通常扁平和叶状的，或具3翅，具坚固的中脉，边缘具圆齿，有粗锯齿的，或撕裂状，有时有角的。
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9.
base cuneate, truncate, or subcordate, margin irregularly serrate and sometimes double serrate, apex acute, midrib concave.
基部楔形，截形，或近心形，和有时重锯齿，先端锐尖的边缘不规则有锯齿，凹的中脉。
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10.
Branchlets and leaf midrib glabrous; abaxial leaf surface glabrous, sparsely and inconspicuously black punctate.
小枝和叶中脉无毛；叶背面无毛，稀少和难以觉察黑色具点。
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