pet·i·ole
noun/ˈpetiəʊl/
/ˈpetiəʊl/
(biology)- the thin part at the base of a leaf that supports it and joins it to the stem of a plant
叶柄：叶片底部的薄部分，支撑并连接到植物的茎上 - The disease may cause small black spots on leaves, petioles and stems of new shoots.
该病可能会在新芽的叶子、叶柄和茎上引起小黑点。
- The disease may cause small black spots on leaves, petioles and stems of new shoots.