中國西南環(huán)柄菇屬lepiotapers.：fr.gray的分類研究

1、中國科學院昆明植物研究所碩士學位論文中國西南環(huán)柄菇屬Lepiota（Pers.：Fr.）Gray的分類研究姓名：王漢臣申請學位級別：碩士專業(yè)：植物學指導教師：楊祝良20040601中國西南環(huán)柄菇屬 Lepiota（Pers.：Fr.）Gray 的分類研究 2Taxonomic studies on the genus Lepiota (Pers.: Fr.) Gray from southwestern China Han-chen

2、Wang (Botany) Directed by Prof. Zhu-liang Yang Abstract ： Over 400 specimens of the genus Lepioa (Pers.: Fr.) Gray (Agaricaceae， Agaricales) mostly collected from southwestern China and deposited in the Herbarium of Cry

3、ptogams, Kunming Institute of Botany of the Chinese Academy of Sciences (HKAS), were studied taxonomically based on morphological and anatomical characters. As a result, 24 taxa were identified, of which 8 species (L. gu

4、ttulaspora H. C. Wang, L. pseudocristata H. C. Wang, L. furfuraceipes H. C. Wang & Zhu L. Yang, L. purpureo-brunea. H. C. Wang, L. flavotrama H. C. Wang, L. graciliospora H. C. Wang, L. rubro-brunnea H. C. Wang and L

5、. zangiana H. C. Wang) and 2 varieties (L. clypeolaria var. nigrosquamosa H. C. Wang and L. magnispora var. taiwanensis H. C. Wang) are new to science, and 2 species are new to China (L. erythrosticta (Berk. & Broome

6、) Sacc. and L. Luteocastanea E. Horak). One new combination is made (L. magnispora var. fulva (Bon) H. C. Wang). The diagnosis given by the author in the thesis is defined for the genus Lepiota in the narrowest sense. I

7、n this genus, four sections are recognized, viz. Lepiota sect. Lepiota, Lepiota sect. Lilaceae Bon, Lepiota sect. Ovisporae (J. E. Lange) Kühner and Lepiota sect. Stenosporae (J. E. Lange)Kühner. The delimitato

8、ns of them are discussed. Keys to these sections and taxa of each section are given. Detail description on the basidiocarp and important microscopical characters of each species and variety is given. Illustrations about

9、the basidiocarp of some species and important microscopical characters of all species and varieties are provided. In addition, the differences between species or varieties and their relatives are discussed. The habitat a