Dissertation Research: Systematic Revision of Helianthopsis (Asteraceae)

在指导老师席林博士的指导下， 研究生帕内罗先生将在几个领域进行实地工作 南美洲安第斯山脉国家，收集样本的ca。25 向日葵属向日葵属的一个种。改善我们 能够识别该属中的物种并构建一个 物种间进化关系假说 和它们最接近的属的亲戚，帕内罗先生将研究 传统的形态特征，并将增加新的证据 染色体分析、花的电子显微镜观察 黄酮类化合物的生物化学研究。帕内罗先生 过去曾在热带地区进行实地考察，并计划 一个有效的取样和分析程序， 对这组鲜为人知的热带植物的现代分类学修订 植物席林博士是分类学和进化方面的专家 属于向日葵科植物。

Under the direction of faculty adviser Dr. Schilling, graduate student Mr. Panero will conduct field work in several countries of Andean South America, collecting samples of ca. 25 species of the sunflower group Helianthopsis. To improve our ability to recognize species in this genus and to construct an hypothesis about evolutionary relationships among the species and their closest generic relatives, Mr. Panero will study traditional morphological characters and will add new evidence derived from chromosome analysis, electron-microscopy of floral features, and biochemical study of flavonoids. Mr. Panero has conducted field work in the tropics in the past, and has planned an effective program of sampling and analysis to complete a modern taxonomic revision of this group of poorly known tropical plants. Dr. Schilling is an expert on the taxonomy and evolution of the sunflower family of plants.