Angiosperm

Before classification we have know what is a medicinal plant. There are many defination. World Health Organisation (WHO) has defined medicinal plants as plants that contain properties or compounds that can be use for therapeutic purposes or those that synthesize metabolites to produce useful drugs (WHO 2008).   We can classify …

This article is written using many tables and about hundred of pictures of plants. As, adding individual photos in this article would increase the gallery size of this website which might turn ‘Plantlet’ slow, we are uploading the MS Word file here so that you can download it and read …

ঢাকা বিশ্ববিদ্যালয়ের কার্জন হল, এই নামটার সাথে জড়িয়ে আছে না বলা অনেক স্মৃতি। যখনই ঢাকা শহরের এই যন্ত্রচালিত জীবন অসহ্য মনে হয়, অসহ্য মনে হয় যানযট, সবুজের জন্য খা খা করে মন তখনই এই কার্জনহলে এসে নিজেকে তৃপ্ত মনে হয়। যারা ক্যাম্পাসে সারাদিনই ক্লাস, ল্যাব, মিড, প্রেজেন্টেশন নিয়ে দৌড়ে ক্লান্ত …

Plants are closely associated with human. If we want to use plants for the greatest behoofs for human life and their next generation, it is obligate to perceive about plants and their types. Angiosperms represents the largest as well as the most successful group of plants within the plant kingdom. …

Systematic position Bentham and Hooker placed it in the sub-class Gamopetalae, the series Bicarpellate and Cohort Gentianales. According to Engler, it belongs to the sub-class Metachlamydeae, the sub-order Tubiflorae, the sub-order Verbenineae. Hutchinson places it under the order Lamiales belonging to the phylum Herbaceae. Distribution The family contains about 200 …

Plant anatomy Study of gross internal structures of plant organs by the method of section cutting is called plant anatomy. Tissue Vegetative Reproductive Complex Tissue is formed by a group of cells having Same origin Same structure Same function Gross classification of tissue Permanent tissue Meristematic tissue Secretory tissue (concerned …

The complex tissue consists of more than one type of cells which work together as a unit. Complex tissues help in the transportation of organic material, water, and minerals up and down the plants. That is why it is also known as conducting and vascular tissue. Collenchyma always absent. Composed of more than one types of cells. Types …

The endosperm is important because it is the main source of food for the embryo. In gymnosperms it is haploid and forms a continuation of the female gametophyte. In angiosperms, on the other hand, it is a new structure formed in most cases as the result of a fusion of …

Euphorbiaceae family is very diversified with mostly monoecious herbs, shrubs, and trees and even sometimes succulent and cactus-like members. It is named from one of its member genus ‘Euphorbia‘. This family has about 300 genus and 7500 species all over the world but more often found in warm and temperate …

Modern embryology seems to comprise three main disciplines. The first, or descriptive embryology, is a study of the various developmental processes that take place in a plant from the initiation of the sex organs to the maturation of the embryo. The second, or phylogenetic embryology, attempts to evaluate these data …