pulvini

常见例句

• The vascular tissue passes through the pulvinus into the petiole proper.
  维管组织经过叶枕进入叶柄。
• See pulvinus.
  参见pulvinus.
• base of the pulvinus of the compound leaf
  复叶叶枕的基部
• Pulvinus (pl. pulvini) 1.A specialized group of cells with large intercellular spaces that are located at the bases of leaves or leaflets in certain plants.
  叶枕：1.;在某些植物中，是一群具有较大的胞间隙的特化细胞，位于叶或小叶基部。
• petiole sheathing at base, apex with a swollen pulvinus;
  叶柄基部具鞘，先端有一膨大的叶枕；
• petiole 8--20 cm, thickened into a cylindric pulvinus;
  叶柄8-20厘米，加厚成为一圆筒状；
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