In this article we will discuss about:- 1. Meaning of Floral Formula 2. Symbols Used in Construction of Floral Formula 3. How to Write Floral Formula? 4. How to Read Floral Formula?. Meaning of Floral Formula: It is a symbolic and numerical representation of various floral parts. It also furnishes information regarding symmetry, sexuality and interrelationship of various floral parts [...]
The following points highlight the thirty-six important Swingle’s principles for plant classification. Swingle’s Principle # 1. Plant relationships are up and down genetic lines and these must constitute the framework of phylogenetic taxonomy. Swingle’s Principle # 2. Some evolutionary processes are progressive while others are regressive. Swingle’s Principle # 3. Evolution does not necessarily involve all organs of the plant [...]
Taxonomy is fundamentally a descriptive and highly documented science. Its literature is voluminous and constitutes so vital a part of its structure that, irrespective of whether the problem is one of identification of an unknown plant, solution of a nomenclatural puzzle, or a monographic or floristic study, acquaintanceship must be made with the more important publications of the subject. Every [...]