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The morphology and distribution of the trichomes on the aerial parts and the feature of moniliform hairs in the stamen of Pogostemon Desf. of Assam, India were studied to understand the significance of these characters for taxonomic purposes. The three species studied are Pogostemon brachystachyus Benth., Pogostemon quadrifolius (Benth.) F. Muell, and Pogostemon strigosus (Benth.) These species of Pogostemon Desf. were mostly terrestrial while few species growing in marshy areas also. The trichomes on leaves and the moniliform hairs or beaded stamen of all the three species were investigated by both Light microscope and Scanning Electron Microscopy (SEM). The stamen with hairs was considered a unique feature that makes it a distinct genus in the family Lamiaceae, and also helps in the identification. The main types of trichomes that were distinctively observed on the leaf surfaces are, simple non-glandular unicellular and multicellular trichomes and peltate, glandular trichomes. Moniliform hairs and trichome morphology of Pogostemon brachystachyus, Pogostemon quadrifolius, and Pogostemon strigosus have not been studied previously in the study area and such investigations on Pogostemon in the study area are rather limited. [ABSTRACT FROM AUTHOR]

Floral and pollen morphology of Pogostemon strigosus and Pogostemon quadrifolius from Assam were studied by Light Microscope and Scanning Electron Microscope. A detailed taxonomic treatment of both the species were tabulated along with micrographs and live photographs were provided. The results of the paper furnish empirical basis for identification of both the species. [ABSTRACT FROM AUTHOR]

The article focuses on a study that aims at designing a multiple strategy for the management of the critically endangered animal Pigmy hog habitat in Manas Tiger Reserve in India. The Pigmy hog's habitat has been degraded because of excessive anthropogenic disturbances. Its population is known to be an indicator of the status of the grassland community struggling to survive from extinction. With this, several habitat management strategies have been tried and these include (1) reduction of pressure on grassland due to human activities, (2) control of early burning practice and reduction of opening grassland areas to bound growth of rhizome system, (3) harvesting of cotton ball for economic use and (4) the role of Asian elephant in natural control of these fire resistant invading species.