কোন ঋতুতে উদ্ভিদ পাতা ঝরিয়ে দেয় ?
Autumn leaf color is a phenomenon that affects the normal green leaves of many deciduous trees and shrubs by which they take on, during a few weeks in the autumn season, various shades of red, yellow, purple, black, orange, pink, magenta, blue and brown. The phenomenon is commonly called autumn colours or autumn foliage in British English and fall colors, fall foliage or simply foliage in American English.
Autumn