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Chinese discovery confirms Darwin's prediction on carnivorous plants_我的网站

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A | 北京8月19日电中央气象台19日预报，受南海热带低压和西南季风影响，未来3天，海南岛、广西南部、广东、福建、台湾岛、浙江等地部分地区有暴雨或大暴雨。经综合研判和应急会商，中国气象局启动重大气象灾害（暴雨）四级应急响应。

B | (ECNS) -- Chinese scientists have identified a flowering plant species on the Qinghai-Xizang Plateau as a new lineage of carnivorous plants, providing evidence for Charles Darwin’s prediction more than 150 years ago. A study published on Tuesday found that Saxifraga candelabrum, a flowering plant, can attract, capture and digest insects, while absorbing nitrogen from their bodies. Researchers observed sticky glandular hairs trapping prey, detected digestive enzyme activity, and confirmed nutrient absorption using isotope-labeled fruit flies. Led by Sun Hang’s team at the CAS Kunming Institute of Botany, with collaborators from Wuhan Botanical Garden, Jishou University and the University of Florida, the findings resolve a long-standing question over whether certain Saxifraga species possess true carnivorous traits. In 1875, Darwin proposed that some species of Saxifraga might be carnivorous because they possess sticky glandular hairs capable of trapping insects. However, evidence supporting the hypothesis had remained unavailable until now. (By Helen Mo, intern Liu Shuangjing) 。中央气象台19日18时发布热带低压预报，南海北部热带扰动于19日下午加强为热带低压，17时其中心位于海南文昌偏东方向约270公里的南海北部海面上，预计20日将以每小时5至10公里的速度向偏西方向缓慢移动，穿过海南岛后移入北部湾海面。中央气象台预计，19日20时至20日20时，海南岛、广西东南部、广东西南部等地部分地区有大到暴雨，其中海南岛西部局地有大暴雨；南海大部海域，琼州海峡、北部湾、巴士海峡、台湾以东洋面，以及广东西部沿海、海南岛沿海，将有6至7级大风，阵风8至9级。

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Published on:09:13:35

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