Abstract
The genus Populus L. belongs to the family Salicaceae Mirb., mainly distributed in the Northern temperate regions. It consists of about 35 species in the world and about 8 species in India. The 8 Indian species of Populus L. belong to 5 sections viz. Populus, Leucoides Spach, Tacamahaca Spach, Aigeiros Duby and Turanga Bunge. The section Tacamahaca Spach is the major one having 3 species in Indian distribution. These three species of the section Tacamahaca Spach are discussed in detail along with a plate and an illustration. A key to the species is also provided for better understanding of the relationship between these three species.
Keywords
Northern temperate regions, Deciduoud tree, Catkins slender, Cordate, Cuneate Himalayas, Rachis puberulose