This is an outdated version published on 20-04-2023. Read the most recent version.
Forthcoming

A new variety of Gymnosporia emarginata (Celastraceae) from the Coromandel Coast of Peninsular India

Authors

DOI:

https://doi.org/10.14719/pst.2255

Keywords:

Dry evergreen forest, Maytenus, Pondicherry, Scrub vegetation, Tamil Nadu

Abstract

A new variety, Gymnosporia emarginata (Willd.) Thwaites var. coromandelica N.Balach. & P. Umamaheswari (Celastraceae) has been described from Tamil Nadu, India. The diagnostic characters of this variety are: long stamens, ovary immersed in the disc, style sessile and stigma lobes converged. Detailed descriptions, differences in characters between the 2 varieties, ITS based phylogenetic analysis and related images are provided for easy identification.

Downloads

Download data is not yet available.

References

Jordaan M, van Wyk AE. Gymnosporia swazica (Celastraceae), a new species from southern Africa. Phytotaxa. 2015;192(4):296-300.

Mabberley DJ. Mabberley’s Plant-Book: A portable dictionary of plants, their classification and uses. First South Asia edition, Rajkamal electric press, Kundli, Haryana. 2018; p. 4133.

Loesener LET. Celastraceae. Celastroideae-Eucelastreae. Die natürlichen Pflanzenfamilien 3, 5. Engelmann, Leipzig. 1942;203-11. https://doi.org/10.5962/bhl.title.4635

Marais W. An enumeration of the Maytenus species of southern Africa. Bothalia. 1960;381 – 86.

Robson NKI. Celastraceae. In: Flora Zambesiaca. editors, A W Exell, A Fcmandes, H Wild. Cmwn Agents for Oversea Government and Administrations. London . 1966; Vol. 2. p. 355- 418.

Robson NKI. Celastraceae. Maytenus. In: Flora of tropical East Africa Celastraceae. RM Polhill. 1994; p. 1-21.

Jordaan M. A taxonomic revision of the spiny members of subfamily Celastroideae

(Celastraceae) in southern Africa. MSc [thesis], University of Pretoria, Pretoria. 2013.

Jordaan M, Van Wyk AE. Systematic studies in subfamily Celastroideae (Celastraceae) in southern Africa: reinstatement of the genus Gymnosporia. South African Journal of Botany.1999a;177-81. https://doi.org/10.1016/S0254-6299(15)30958-3

Jordaan M, Van Wyk AE. Systematic studies in subfamily Celastroideae (Celastraceae) in southern Africa: two new species of Gymnosporia from the Maputaland Centre of Endemism. South African Journal of Botany. 1999 b;315-20. https://doi.org/10.1016/S0254-6299(15)31018-8

Archer RH, Jordaan M. Celastraceae. In: Leistner OA, editor. Seed Plants of Southern Africa-Families and Genera. Strelitzia 10. National Botanical Institute, Pretoria. 2000; p. 214-20.

Jordaan M, Van Wyk AE. Reinstatement of Gymnosporia (Celastraceae): implications for the Flora Malesiana region, Telopea. 2003a;155-67.

Jordaan M, Van Wyk AE. Sectional classification of Gymnosporia (Celastraceae), with notes on the nomenclatural and taxonomic history of the genus. Taxon. 2006; 515-25. https://doi.org/10.2307/25065602

Ding Hou. Celastraceae I. In: van Steenis, CGGJ, editor. Flora Malesiana, series 1, 2. Dijkstra Printers, Groningen. 1962; Vol. 6. P. 227-91.

Roxburgh W. Celastrus. In: Wallich N, editor. Flora Indica or Descriptions of Indian Plants. Mission Press, Serampore. 1824;Vol. 2. p. 386-401.

Lawson MA. Celastrineae. In: Hooker J D. editor. The Flora of British India. Reeve & Co. London. 1875; vol 1(3). p. 606-29.

Ramamurthy K. Celastraceae In: Singh NP, Vohra JN, Hajra PK, Singh DK, editors. Flora of India, Botanical Survey of India, Calcutta, India. 2000; Vol. 5. p. 124-25.

Mao AA, Dash SS. Flowering Plants of India – As Annotated Checklist (Dicotyledons), Botanial Survey of India, Kolkata. 2020; vol 1. p. 258-64.

Narasimhan D, Sheeba JI. Flowering plants of Tamil Nadu: A compendium; 2021.

Saitou N, Nei M. The neighbor-joining method: A new method for reconstructing phylogenetic trees. Molecular Biology and Evolution. 1987; 406-25.

Tamura K, Stecher G, Kumar S. MEGA 11: Molecular Evolutionary Genetics Analysis version 11. Molecular Biology and Evolution. 2021. https://doi.org/10.1093/molbev/msab120.

Matthew KM. The Flora of Tamil Nadu Carnatic, The Rapinath Herbarium, Tiruchirappalli. 1983; Vol 3 (1). p. 258.

Wadhwa BM. Celastraceae. In: A Revised Handbook to the Flora of Ceylon, editors. MD Dassanayake, WD Clayton. 1996; Vol 10. p. 75-106.

Liu Quanru, Michele Funston. Gymnosporia. In: Flora of China [e-book]; 2008 cited 4 Aug 2022]. Vol 11: 474-77. Available from: http://flora.huh.harvard.edu/china/PDF/PDF11/Gymnosporia.pdf .

Britto SJ. The Flora of Central and North Tamil Nadu, Part – 1 Cabombaceae –

Zygophyllaceae (APG – IV), The Rapinath Herbarium, Tiruchirappalli. 2019; p 624.

IUCN. The IUCN Red List of Threatened Species. Version 2022-1 [Internet]. 2022 [cited 17 Oct 2022]. Available from: https://www.iucnredlist.org

Published

20-04-2023

Versions

How to Cite

1.
Umamaheswari P, Balachandran N, Kumaresan V, Yuvarani K. A new variety of Gymnosporia emarginata (Celastraceae) from the Coromandel Coast of Peninsular India. Plant Sci. Today [Internet]. 2023 Apr. 20 [cited 2024 Nov. 24];. Available from: https://horizonepublishing.com/journals/index.php/PST/article/view/2255

Issue

Section

Research communications