In this article we will discuss about the Characters and Economic Importance of Pteridophytes. Characters of Pteridophytes: They are characterised by the following features: 1. Plant body is a sporophyte (2n) and differentiated into true stem, leaves and roots. 2. Leaves can be microphyllous (small without forming leaf gaps in vascular supply of stem, e.g., Selaginella) or macrophyllous (megaphyllous or [...]
The below mentioned article provides biology notes on Fern. Adiantum (Maiden Hair Fern) and Dryopteris (Male Shield Fern) are the two common ferns that are found in moist shady places in tropical, subtropical and temperate areas. Adiantum is also observed to occur under bridges, water courses and walls of old well. Plant body is a perennial independently living evergreen sporophyte [...]
The following points highlight the eleven main schemes used to describe and identify a flowering plant. The schemes are: 1. Habitat 2. Habit 3. Root 4. Stem 5. Leaf 6. Inflorescence 7. Flower 8. Fruit 9. Seed 10. Floral Formula And Floral Diagram 11. Identification. Scheme # 1. Habitat: The natural abode or locality of the plant i.e. cultivated or [...]