In this article we will discuss about the economic importance of Ephedra and Gnetum. Economic Importance of Ephedra: 1. Ephedrine, an alkaloid obtained from several species of Ephedra, is used in the preparation of medicines for treating asthama, bronchitis, cough, cold, nasal disorder and hay fever. In India, the ephedrine is obtained from Ephedra gerardiana, E. intermedia, E. nebrodensis and [...]
In this article we will discuss about Polyembryony in Various Groups of Gymnosperms. After reading this article you will learn about: 1. Meaning of Polyembryony 2. Types of Polyembryony 3. Polyembryony in Various Groups of Gymnosperms. Meaning of Polyembryony: The phenomenon of the development of more than one embryo in one ovule, seed or fertilized ovum is called polyembryony. It [...]
The following points highlight the top eleven economic uses of Coniferales. The economic uses are: 1. Wood 2. Canada Balsam 3. Resins, Rosins and Turpentines 4. Spruce Gum 5. Copals 6. Sandarac 7. Amber 8. Tannin 9. Paper 10. Food 11. Essential Oils and Fatty Oils. Coniferales: Economic Use # 1. Wood: 1. Agathis australis (Kauri pine) is the largest timber-producing [...]