After reading this article you will learn about:- 1. Seed Size and Number 2. Soil Seed Banks 3. Seed Viability. Seed Size and Number: Seeds are admirably suited to their triple role as a means of multiplication, dispersal and stress avoidance. But equally important for the long-term survival of the species involved is the fact that in most cases each [...]
This article throws light upon the three main formations of vegetation of cold arid zone. The formations are: 1. Sub-Tropical Semi Desert 2. Alpine Steppe 3. Steppe of Artemisia. Formation # 1. Sub-Tropical Semi Desert: (i) On steep rocky slopes Olea cuspidata, Rosa webbiana, Pistacia sp., Halophyllurn griffithianum and Matthiola odoratissima are the chief species, (ii) On screen fans Artemisia [...]
This article throws light upon the seven types of plant species of natural vegetation. The types are: 1. Roots and Tubers 2. Rhizomes 3. Foliage 4. Flowers and Buds 5. Fruits 6. Seeds 7. Fresh Fruits. Type # 1. Roots and Tubers: The roots of Asparagus sp. (Satavar), Butea sp. (Dhak palas) and Bombax sp. (Semul) and generally boiled or [...]