Exploring Pollen Morphology Diversity within the Fabaceae Family: A Study from Annamalai Nagar, Chidambaram
Paper Details
Exploring Pollen Morphology Diversity within the Fabaceae Family: A Study from Annamalai Nagar, Chidambaram
Abstract
The purpose of this study was to ascertain the Fabaceae family’s pollen morphology. Three sub-families belong to this family: Faboideae, Mimosoideae, and Caesalpinioideae. Eighteen plant taxa were gathered from Annamalai Nagar, Chidambaram, for the pollen morphology studies. Pollen unit, size class, shape class, measurement of polar and equatorial diameter, polarity, symmetry, aperture, P/E ratio, and ornamentation are all included in the morphology of the pollen. Annamalai Nagar, the current investigation geographical area, lies between latitudes 11˚20′ and 11˚25’N and longitudes 79˚40′ to 79˚45’E. Fresh flower buds were collected from the plants before the point of anthesis. The collected flower buds were crushed, acetolysed, followed by mounting. To differentiate the pollen grains of the various species under study, it is essential to consider differences in the pollen unit, size and measurement of polar and equatorial diameter (µm), aperture types, exine ornamentation, polarity, symmetry, and P/E ratio. Grains from the 18 species collected ranged from monad, polyad, and tetrad. Shapes of many kinds were observed. Pollen grain sizes were very small, small, medium, large, and very large. The statistical analysis of the Arithmetic mean, standard deviation, standard error, and range of pollen grains were also measured. There were both heteropolar and isopolar grains. From the gathered species, the aperture was distinguished from inaperture, tricolpate, and tricolporate. The majority of the ornamentation was foveolate. As a result, the Fabaceae family is euripalynous, and it is critical to inspect pollen grains to have a thorough understanding of the various varieties within this family.
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