dutta b k choudhury p s (2 Ergebnisse)

Zustand: New. pp. xx + 496 Illus. (Some Col.), Maps (Some Col.).

Hardcover. Zustand: New. Zustand des Schutzumschlags: New. 1st Edition. Contents: Preface. I. Introductory account: 1. Introduction. 2. Geographical features. 3. Historical features and demographic pattern of the district. 4. Materials and methods. 5. Vegetation. II. Taxonomic account and economic utility: 6. List of families of fern and fern allies. 7. Key to the families of fern and fern allies. The present title Flora of Barak Valley, Assam with their Economic Utility is a pioneer floristic work on the valley particularly on Herbaceous Flora. The present book provides the historical and Geographical features vegetation pattern, materials and methods along with detail taxonomic treatments of the collected species. the unique features lies in providing economic utility of the collected species based on field data and comparison with the established report of utility. The book also exhibits analytical drawings and field photographs for a vast majority of collected herbaceous flora. In the present title a total of 596 species belonging to 142 families of Herbaceous flora have been enumerated out of which 83 species having 34 families represent fern and fern allies and rest 513 species with 108 families belong to angiosperms. The book made records of some very interesting species as regards to their diverse economic and ethno-botanical features. There are the reports of some new, rare and threatened species in the present title.