touch-me-not

• 名词，指多种触碰即起反应的植物，包括北美开黄或橙色花的一年生植物（凤仙花）、地中海地区触碰即弹射种子的藤本植物（喷瓜），以及叶片受扰即闭合的热带亚灌木（含羞草）。

A noun referring to any of several plants that react to touch, including a North American annual with yellow or orange flowers, a Mediterranean vine that forcefully expels its seeds when touched, or a tropical subshrub with sensitive leaflets that fold when disturbed.

1. Jewelweed plantC1formalamericanscientific

   A North American annual plant with usually yellow or orange flowers; grows chiefly on wet rather acid soil.

   水金凤

   • The touch-me-not grows abundantly along the stream banks.
   • Its orange flowers are a favorite of hummingbirds.
   • The seed pods of the touch-me-not explode when touched.

   同义词jewelweed

2. Squirting cucumberC1formalbritishscientific

   A Mediterranean vine having oblong fruit that when ripe expels its seeds and juice violently when touched.

   喷瓜

   • The touch-me-not vine is known for its explosive seed dispersal.
   • Its fruit can squirt seeds several feet away.
   • Gardeners often grow touch-me-not as a curiosity.

   同义词noli-me-tangeresquirting cucumber

3. Sensitive plantC1formalscientific

   A prostrate or semi-erect subshrub of tropical America and Australia; heavily armed with recurved thorns and having sensitive soft grey-green leaflets that fold and droop at night or when touched or cooled.

   含羞草

   • The touch-me-not's leaves fold instantly when brushed.
   • It is often grown as a houseplant for its fascinating movement.
   • The plant's thorns make it difficult to handle without gloves.

   同义词action plantsensitive plant