Here is an essay on the ‘Life Cycle of Gnetum’. Find paragraphs, long and short essays on the ‘Life Cycle of Gnetum’ especially written for school and college students. Essay # 1. Sporophyte of Gnetum: Gnetum resembles very much in its characteristics to an angiosperm than a gymnosperm. Based on the studies of 58 characteristics, Gnetum shares more than 60% [...]
In this essay we will discuss about the life cycle of Pinus, explained with the help of suitable diagrams. Sporophyte of Pinus: Pinus is a tall evergreen tree giving rise to a series of widespread horizontal branches (Fig. 1.57A). In each year, a whorl of branches is produced in the axil of scale leaves. The branching is restricted to the [...]
In this essay we will discuss about archaeopteris which belongs to the family of progymnospermopsida. After reading this essay you will learn about:- 1. Habit of Archaeopteris 2. Morphology of Archaeopteris 3. Stem Anatomy 4. Reproductive Organs. Essay # 1. Habit of Archaeopteris: Large trees up to 18 m high with a large crown of spirally arranged pseudomonopodial branches (Fig. [...]