Here is an essay on the ‘Life Cycle of Cycas’ for class 11 and 12. Find paragraphs, long and short essays on the ‘Life Cycle of Cycas’ especially written for school and college students. Essay # 1. Sporophyte of Cycas: The Cycas plant looks like a palm tree with a columnar aerial trunk and a crown of pinnately compound leaves [...]
In this essay we will discuss about:- 1. Stems of Lyginopteris Oldhamia 2. Fronds of Lyginopteris Oldhamia 3. Roots 4. Pollen-Bearing Organs 5. Seeds. Essay # 1. Stems of Lyginopteris Oldhamia: The frequently branched stem of Lyginopteris oldhamia was long, slender (2 mm to 4 cm in diameter). The anatomy of the stem (Fig. 1.2A) shows eustelic configuration with [...]
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 [...]