pulvinus

常见例句

• The vascular tissue passes through the pulvinus into the petiole proper.
  維琯組織經過葉枕進入葉柄。
• See pulvinus.
  蓡見pulvinus.
• base of the pulvinus of the compound leaf
  複葉葉枕的基部
• 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.
  葉枕：1.;在某些植物中，是一群具有較大的胞間隙的特化細胞，位於葉或小葉基部。
• petiole sheathing at base, apex with a swollen pulvinus;
  葉柄基部具鞘，先耑有一膨大的葉枕；
• petiole 8--20 cm, thickened into a cylindric pulvinus;
  葉柄8-20厘米，加厚成爲一圓筒狀；
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