Give a classification of Plants based on the amount of water requirement. 2017 UPSC mains Geography Optional question
Water availability Based on survival habits of plants they are classified as : Xerophytes that can survive drought like conditions. Eg Cacti, Pineapple Phreatophytes develop deep roots to improve the water attaining ability. Some trees like acacia do have water storing capacity Eg Welwitschia, mesquite, alfalfa Succulents are plants with a shallow root system but perform maximum absorption and storing of waters especially in dry areas. Eg Aloe Vera, Crown of Thorns, Flaming Katy, Jade Plant Sclerophyllous plants tolerate seasonal drought conditions without shedding leaves. Eg Scrub oak, Olive, Eucalyptus Halophytes are salt resistant varieties that can survive in waterlogged conditions Eg Avicenna species, sea lavender, rice grass etc Hydrophytes adapt to excess water conditions like rivers Lakes etc Eg Lotus, Water Lilly, Hydrilla, Valisineria, etc Mesophytes are plants adapted to balanced conditions Join the Geography telegram channel for latest upda...