Notes on Plant Taxonomy:- 1. Objectives of Plant Taxonomy 2. Principles of Plant Taxonomy 3. Classification 4. Identification. Objectives of Plant Taxonomy: The first object of plant taxonomy is to identify all the kinds of plants on earth with their names, distinctions, distribution, habit, characteristics and affinities. It also tries to correlate the studies with scientific data contributed by various [...]
The following points highlight the fifteen important Thorne’s principles (1958) of plant classification. Thorne’s Principle # 1. Existing species have descended with change from pre-existing species and are therefore, the products of evolutionary forces. Thorne’s Principle # 2. Ancestral conditions and trends of specialisation are often recognisable in the organs, tissues and cells of living and fossil angiosperms. Thorne’s Principle [...]
The below mentioned article provides an overview on Families of Angiosperms. Angiosperms = Ovules or seeds enclosed in the ovary. I. Dicotyledons. II. Monocotyledons I. Dicotyledons: Flowers mostly tetra or pentamerous; leaves net veined; cotyledons usually two; stem commonly with vascular bundles arranged in a ring and open. This class is divided into polypetalae, gamopetalae and monochlamydeae. A. Polypetalae: Flowers [...]