taxonID	type	description	language	source
039287C4A847365A9FB585A5FE1CF9A5.taxon	description	(Figs 2; 3)	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
039287C4A847365A9FB585A5FE1CF9A5.taxon	diagnosis	B. cuddalorensis S. Soosairaj, sp. nov. can be distinguished from B. suffruticosa (Delile) Fenzlas a nonaromatic erect herb (vs aromatic shrub), with glabrous leaves and stipules (vs pubescent), a mucronate apex of the petals (vs obtuse) and a vesicular seed surface (vs smooth). The morphology of B. cuddalorensis S. Soosairaj, sp. nov. closely resembles B. ammannioides Roxb. but can be differentiated by having glabrous leaves and stipules (vs pubescent), a mucronate apex of the petals (vs obtuse), 6 - 10 flowers per node (vs c. 30 flowers per node) and seed surface vesicular (vs reticulate) (Table 1).	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
039287C4A847365A9FB585A5FE1CF9A5.taxon	materials_examined	TYPE MATERIAL. — India • 2 specimens; Tamil Nadu, Cuddalore district, Veppur, Lathur Forest; 11 ° 28 ’ 04.72 ” N, 78 ° 57 ’ 57.93 ” E; alt. c. 90 m; 26. I. 2023; S. Soosairaj 7816; holo-, RHT!; iso-, MH!	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
039287C4A847365A9FB585A5FE1CF9A5.taxon	etymology	ETYMOLOGY. — The species epithet is based on the collection locality of the type specimen in Cuddalore district of Tamil Nadu, India.	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
039287C4A847365A9FB585A5FE1CF9A5.taxon	distribution	DISTRIBUTION. — The species is known from the state of Tamil Nadu at the type location in Cuddalore district and also a single location in Pudukkottai district.	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
039287C4A847365A9FB585A5FE1CF9A5.taxon	biology_ecology	PHENOLOGY. — Flowering and fruiting January-March. ECOLOGY. — It is an annual species that thrives in wet environments, specifically in ponds in clay soils after the water has drained and in cultivated fields after harvest. It is found growing in association with Ammania verticillata (Ard.) Lam., Vahlia digyna (Retz) Kuntze, Epaltes divaricata (L.) Cass., Hoppea dichotoma Willd., Exacum pedunculatum L., Lindernia dubia (L.) Pennell and Rotala verticillaris L. CONSERVATION STATUS. — B. cuddalorensis S. Soosairaj, sp. nov. is reported from only two locations and further exploration is needed to study the actual distribution in similar habitats, hence, it is categorized as ‘ data deficient’ (DD) under the IUCN (2019) conservation status.	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
039287C4A847365A9FB585A5FE1CF9A5.taxon	conservation	CONSERVATION STATUS. — B. cuddalorensis S. Soosairaj, sp. nov. is reported from only two locations and further exploration is needed to study the actual distribution in similar habitats, hence, it is categorized as ‘ data deficient’ (DD) under the IUCN (2019) conservation status.	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
039287C4A847365A9FB585A5FE1CF9A5.taxon	materials_examined	ADDITIONAL SPECIMENS EXAMINED. — India • 1 specimen; Tamil Nadu, Pudukkottai district; 10 ° 31 ’ 42 ” N, 78 ° 47 ’ 06 ” E; alt. c. 150 m; 14. II. 2024; S. Soosairaj 7826; RHT!	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
039287C4A847365A9FB585A5FE1CF9A5.taxon	description	DESCRIPTION Annuals. Erect herbs to 15 cm with opposite branches. Stem pubescent (nonglandular), internodes 1.5 - 2.5 cm long. Leaves opposite, decussate, elliptic-oblanceolate, glabrous, base attenuate, apex acute, margin serrate, 18 - 22 × 4 - 5 mm, lateral nerves 3 - 4 pairs. Petiole 4 - 7 mm, winged. Stipule 2 × 0.75 mm, lanceolate, glabrous, apex acuminate, margin ciliate. Flowers axillary, 6 - 10 in fasciculate cymes, 1.5 - 2 mm across; pedicel 1 - 1.5 mm, pubescent, accrescent. Sepals 5, lanceolate, adnate at base, green at middle, pinkish red at both edges, pubescent abaxially, apex acuminate, margin ciliate, 2 × 0.75 mm. Petals 5, white, oblong, apex acute, mucronate, 2 × 1 mm. Stamens 10, two rows, filament glabrous, 1 - 1.5 mm long, dilated at base, anther 0.2 × 0.2 mm, basifixed. Pistil 1.5 mm long, ovary globose, glabrous, 1 × 1 mm, styles 5, pinkish, straight, 0.5 mm long, stigma subcapitate, papillose. Capsule globose, brownish. Seeds numerous, minute, oblong, yellowish brown, surface vesicular.	en	Lincy, Joseph, Soosairaj, Sebastian (2025): Bergia cuddalorensis S. Soosairaj, sp. nov. (Elatinaceae), a new species from Tamil Nadu, India. Adansonia (3) 47 (1): 1-6, DOI: 10.5252/adansonia2025v47a1, URL: https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a1.pdf
