Read this essay to learn about the life cycle of ginkgo biloba, explained with the help of suitable diagrams. Sporophyte of Ginkgo Biloba: Ginkgo biloba is a tall deciduous tree (up to 30 m height) giving rise to a very irregular pattern of branching. The branching is restricted to the upper part of the stem, thus giving the tree an [...]
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 [...]
Read this essay to learn about the korper-kappe theory of root apex. The theory was put forward by Schuepp (1917). It is similar to the tunica-corpus theory of the shoot apex. It is based on differences in the planes of cell division. The theory says that the cells in the root apex divide in a pattern called T-divisions. The outer [...]