In this article we will discuss about the affinities of Cycadeoids which belong to the family of Class Cycadopsida. A. Relation to Ferns: Cycadeoids resemble ferns in the following characteristics: 1. The abundance of multicellular rementa on the plant body. 2. The presence of scalariform tracheids, large pith and direct leaf traces. 3. The pinnatified microsporophyll with lateral rows of [...]
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 [...]
In this essay we will discuss about top three families of dicotyledons:- 1. Rosaceae (Rose Family) 2. Cucurbitaceae (Gourd Family) 3. Solanaceae (Potato Family). Essay # 1. Rosaceae (Rose Family): The family is represented by 110 genera and 3,100 species, is cosmopolitan in distribution. More than-25 genera and 215 species are growing widely in the temperate region of Himalayas up [...]