List of four eminent botanists who contributed to artificial system of plant classification:- 1. Theophrastus (370-287 BC) 2. John Ray (1627-1705) 3. Carolus Linnaeus (1707-1778) 4. George Bentham (1800-1884) and Joseph Dalton Hooker's (1817-1911) System. Botanist # 1. Theophrastus (370-287 BC): He was a Greek naturalist and pupil of Plato and Aristotle. Based on the habit, he classified the plants [...]
List of six eminent botanists who contributed to the phylogenetic system of plant classification:- 1. Adolf Engler (1844-1930) 2. John Hutchinson (1884-1972) 3. Armen Takhtajan (1911) 4. Arthur Cronquist (1919-1992) 5. Rolf Dahlgren (1932-1987) 6. Robert F. Thorne (1920). Botanist # 1. Adolf Engler (1844-1930): The best known and widely accepted phylogenetic system is that by Adolf Engler, Professor of [...]
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 [...]