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An Assessment of Angiosperm Diversity at Mahadebpur Upazila of Naogaon District, Bangladesh

Smriti Kona
Plant Taxonomy Laboratory, Department of Botany, University of Rajshahi, Rajshahi-6205, Bangladesh

A.H.M. Mahbubur Rahman*
Plant Taxonomy Laboratory, Department of Botany, University of Rajshahi, Rajshahi-6205, Bangladesh

Abstract/ Executive Summary:

An assessment of angiosperm diversity at Mahadebpur Upazila of Naogaon District, Bangladesh was carried out from December 2013 to June 2015. A total of 265 species belonging to 204 genera under 94 families were recorded. Magnoliopsida (Dicotyledones) is represented by 81 families, 175 genera and 232 species, whereas Liliopsida (Monocotyledones) by 13 families, 29 genera and 33 species. These comprise of 116 herbs, 48 shrubs, 30 climbers, 71 trees, belong to 94 families. Cucurbitaceae and Amaranthaceae are the largest family in Magnoliopsida represented by 13 species in each and in Liliopsida Poaceae is the largest family with 9 species. Acanthaceae, Amaranthaceae, Asteraceae, Apocynaceae, Brassicaceae, Caesalpiniaceae, Convolvulaceae, Cucurbitaceae, Euphorbiaceae, Fabaceae, Moraceae, Malvaceae, Mimosaceae, Myrtaceae, Polygonaceae, Poaceae, Rutaceae and Solanaceae are the dominant families with high species diversity. For each species botanical name, local name, habit, relative occurrence, phenology, plant population, voucher number and family were provided.

Keywords: Assessment, Angiosperm Diversity, Mahadebpur, Naogaon, Bangladesh

Location: Mahadebpur Upazila of Naogaon District, Bangladesh

Start Date: 00-12-2013

End Date: 00-06-2015

Program Area: Conservation and Biodiversity

Commodity: Plant

Objectives:

The present study was made an inventory of the angiosperm diversity at Mahadebpur Upazila of Naogaon district, Bangladesh.

Methodology:

An assessment of angiosperm diversity at Mahadebpur Upazila of Naogaon District, Bangladesh was carried out from December 2013 to June 2015. A total of 265 species belonging to 204 genera under 94 families were collected and identified. A survey on the determination of the location of different species was made and a list was prepared to be acquainted with the plants available in the selected area. All the species were noted and time to time the areas were visited to see when they flowered. For the morphological study, different types of species were examined again and again in order to see if there was any variation or not. They were collected at flowering stages and herbarium specimens were prepared as vouchers. In this practice standard method was followed. In this regard different types of plant species were collected from different habitats. All the collected plant specimens were kept in the Herbarium, Department of Botany, and University of Rajshahi, Bangladesh. The major collected materials were identified and described up to species with the help of Cronquist (1981), Hooker (1961), Prain (1963) and Kirtikar and Basu (1987), Ahmed et al (2008-2009) were consulted. For the current name and up-to-date nomenclature Huq (1986) and Pasha and Uddin (2013) were also consulted.

Source of Information: International Journal of Advanced Research (2015), Volume 3, Issue 10, 1067 – 1086

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Though the study area has a moderately rich resource of angiosperm flora, it witnesses some threats which might cause this resource to extinct. Observations and group discussion with local people during field works resulted in identifying some major threats which include urbanization, modern agriculture, and lack of awareness, exotic plantation and river erosion. Therefore, efforts should be undertaken to safeguard the plants through ex situ and in situ approaches, public awareness should be built up, and protection of habitats of should be ensured.

Knowledge Management: Journal