词族 · stipule
词形变化
中文词源
stipule 草梗，叶柄，托叶
来自拉丁语 stipula,草，草梗，来自 PIE*steip,刺，插，扩大形式于 PIE*stei,刺，插，词源同 stipple,sting,stimulus.
英语词源
- stipule (n.)
- "small appendage at the base of the petiole of a leaf," 1793, from French stipule, from Latin stipula "stalk (of hay), straw," from PIE *stip-ola-, from root *steip- "to stick, compress" (see stiff (adj.)).
权威例句
- 1. Foliaceous back provides fluff , vein is thicker , stipule is damask.
- 叶背具柔毛, 叶脉较粗,托叶淡红色.
- 2. Stipule A modified leaf found as an outgrowth from the petiole or leaf base.
- 托叶:由叶柄或叶基部生长出的变态的叶,为发育产生的外部结构.