【摘要】 半日花是半日花科的一种半灌木或灌木,稀为一年生或多年生草本孑遗植物。全世界约有8属200种,多分布于地中海沿岸。我国内蒙古、新疆有2种分布,分别是新疆半日花和内蒙半日花。由于自然因素和人类经济活动的影响,特别是采矿、烧柴、放牧、土地开发以及城市化,加剧了对半日花的过度开发,导致其生物量锐减,造成个体衰退,种群缩小的濒危状况,被国家列为二级保护植物。所以加强对珍稀濒危植物半日花的研究和保护具有重要意义。更多还原

【Abstract】 Common rock-rose Helianthemum soongoricum Schrenk and H.ordosicum Y.Z.Zhao,Z.Y.Zhu et R.Cao are usually bushes sparsely annual or perennial herbal relic plants.There are about 200 species in 8 genera that distributes along Mediterranean.Among them,2 species distribute in Inner-Mongolia and Xinjiang Uigur autonomous region in China.Common rock-rose was listed a important protected plant by Chinese government due to that natural disaster,human activities and over-development have caused biomass reduce,population decrease and community downfall.It is a great importance to study and protect the rare and endangered plants common rock-rose Helianthemum soongoricum Schrenk and H.ordosicumY.Z.Zhao,Z.Y.Zhu et R.Cao in China.更多还原