Thorns, spines, and prickles

Thorns are modified stems and arise from buds

Cactus areoles; shoot (yellow), spines (green) and bristles (brown)

In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions of leaves, roots, stems or buds with sharp, stiff ends, and generally serve the same function: physically deterring animals from eating the plant material.

单词	spinescent
释义	spinescent /spai'nesənt//spaɪˈnɛsənt/ 英汉-汉英词典 adj. 有刺的词组 \| 习惯用语您要查找的是不是： senescent adj. 变老的,显老的 incandescent adj. 白热的;白炽的十分明亮的,耀眼的感情强烈的;激情的 evanescent adj. 迅速消失遗忘的;短暂的 luminescent adj. 发冷光的网络短语: spinescent 锐尖头的 Rarely Spinescent 很少具刺英语百科 Thorns, spines, and prickles In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions of leaves, roots, stems or buds with sharp, stiff ends, and generally serve the same function: physically deterring animals from eating the plant material.
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spinescent /spai'nesənt//spaɪˈnɛsənt/

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网络短语:

Thorns, spines, and prickles