Megacodon is an ideal genus to study speciation and ecological adaptation in the Sino-Himalayan region. The genus contai......

对大钟花属和黄秦艽属进行了花部解剖学研究,并以此讨论了它们的系统演化关系.大钟花属和黄秦艽属的雌花部分花萼维管束与花冠维管......