Premkumar M.

Botanical Survey of India, Southern Regional Centre, Coimbatore. · Plant Taxonomy

total of thirty-six (2×2 m) quadrats were randomly sampled to assess species distribution. The study investigation revealed significant diversity in frequency indices, ranging from 2.778 to 88.889. Solanum nigrum displayed the highest frequency (88.88) in December 2019, while 20 species like Blepharis maderaspatana and Corchorus tridens consistentl...

The present investigation was conducted in Thirukudder Hill, situated in Thiruparankundram, Madurai District, Tamil Nadu, India, aimed to analyze plant community dynamics from December 2019, January, February, and March 2020, total of thirty-six (2×2 m) quadrats were randomly sampled to assess species distribution. The study investigation revealed...

This study investigates the dynamic interplay between soil temperature , pH levels, and CO2 sequestration across ten sample sites over a four-month periods from January to April 2018 in Solankuruni freshwater pond wetland in Madurai District, Tamil Nadu, India. The soil temperature fluctuations, ranging from 31°C to 44°C, reveal distinct site-speci...

Cissampelopsis vivekananthanii Gopalan & Chithra (Asteraceae) is reported here as an addition to the flora of Kerala from Agasthiyamala in Thiruvananthapuram district. Description, flowering and fruiting period, distribution and photographic plate are provided for its easy identification.

This current investigation provides a comprehensive analysis of the plant diversity in Perungudi Pond, Madurai District, Tamil Nadu, India, from January 2022 to April 2023, utilizing Geographic Information System (GIS) mapping. During floristic investigation, we identifies 203 plant species, 161 genera and 51 families, with notable representation f...

The present article deals with the taxonomic status and the identity of steno endemic Senecio lawsonii Gamble and Senecio lessingianus (Wight & Arn.) C.B. Clarke (Asteraceae). Senecio lessingianus is reinstated here as a separate species. An updated nomenclatural citation, a detailed description, SEM images of pollen grains, phenology and notes on...

The floristic checklists of particular regions serve as the primary sources for botanical information. The variations in floristic compositions in different endogenous environments reflect the existence of various ecological conditions that promote both inter and intra-specific variation, rendering floristic composition a significant floristic mark...

Symplocos sisparensis, a new species of Symplocaceae has been collected from Mukurthi National Park in Nilgiris district of Tamil Nadu part of Nilgiri Biosphere Reserve (NBR). The new species is morphologically similar to Symplocos foliosa Wight, however it is differing from by its habit, branchlets, leaves, calyx lobes, style and fruit characters....

The present communication records the occurrence of Euryops chrysanthemoides in wild areas of Tamil Nadu. The identity of the species with detailed description and colour photo plate of the species is provided here.

Two lesser known stenoendemic species viz., Helichrysum wightii C.B. Clarke ex Hook.f. and Vernonia malabarica Hook.f., of Asteraceae have been rediscovered/recollected after a century from their respective type localities. Helichrysum wightii has been rediscovered after 139 years, whereas the Vernonia malabarica has been recollected after 128 year...

The Iphigenia magnifica is reported here as extended distribution to the Southern Western Ghats of Tamil Nadu. A detailed description, along with color photo plate is provided to facilitate its easy identification.

Senecio kundaicus C.E.C. Fisch. (Asteraceae), a critically endangered and stenoendemic species has been rediscovered from Mukurthi National Park, a part of Nilgiri Biosphere Reserve, Tamil Nadu, India, after its type collection from Kundahs in Nilgiris by P.V. Mayuranathan in 1928, after a gap of 93 years. Nomenclature, detailed description, threat...

Senecio kundaicus C.E.C. Fisch. (Asteraceae), a critically endangered and stenoendemic species has been rediscovered from Mukurthi National Park, a part of Nilgiri Biosphere Reserve, Tamil Nadu, India, after its type collection from Kundahs in Nilgiris by P.V. Mayuranathan in 1928, after a gap of 93 years. Nomenclature, detailed description, threat...

Senecio kundaicus C.E.C. Fisch. (Asteraceae), a critically endangered and stenoendemic species has been rediscovered from Mukurthi National Park, a part of Nilgiri Biosphere Reserve, Tamil Nadu, India, after its type collection from Kundahs in Nilgiris by P.V. Mayuranathan in 1928, after a gap of 93 years. Nomenclature, detailed description, threat...