Research Paper

Euphorbia ravii (Euphorbiaceae: subg. Euphorbia), a new species from Andhra Pradesh, India

Angajala Narayana Swamy, Kothareddy Prasad

Published on: 11 April 2022

Page: 229 - 234

DOI: 10.6165/tai.2022.67.229

Abstract

Euphorbia ravii is described as a new species from Nigidi hills, Ananthapuramu district of Andhra Pradesh, India. It belongs to the subgenus Euphorbia section Euphorbia, it is closely allied to E. caducifolia but differs in many attributes which are discussed here. An updated key for Indian E. caducifolia group is also provided for easy identification.

Keyword: Deccan Plateau, Euphorbia caducifolia, Nigidi hills, preliminary conservation status, section Euphorbia

Literature

Binojkumar, M.S. and N.P. Balakrishnan. 2010. The genus Euphorbia L. (Euphorbiaceae) in India, a taxonomic revision. Bishen Singh Mahendra Pal Singh, Dehra Dun.

Binojkumar, M.S. and N.P. Balakrishnan. 2012. Euphorbia L. In. Balakrishnan, N.P. et al. (eds.), Flora of India, 23: 270–337. Botanical Survey of India, Kolkata.

Bruyns, P.V., R.J. Mapaya and T. Hedderson. 2006. A new subgeneric classification for Euphorbia (Euphorbiaceae) in southern Africa based on ITS and psbA-trnH sequence data. Taxon 55(2): 397–420.
DOI: 10.2307/25065587View Article Google Scholar

Carter, S. and U. Eggli. 2003. The CITES checklist of succulent Euphorbia taxa (Euphorbiaceae), 2nd ed. – Federal Agency for Nature Conservation, Bonn.

Dorsey, B.L., T. Haevermans, X. Aubriot, J.J. Morawetz, R. Riina, V.W. Steinmann and P.E. Berry. 2013. Phylogenetics, morphological evolution, and classification of Euphorbia subgenus Euphorbia. Taxon 62(2): 291–315.
DOI: 10.12705/622.1View Article Google Scholar

Horn, J.W., B.W. Van Ee, J.J. Morawetz, R. Riina, V.W. Steinmann, P.E. Berry and K.J. Wurdack. 2012. Phylogenetics and the evolution of major structural characters in the giant genus Euphorbia L. (Euphorbiaceae). Mol. Phylogenetics Evol. 63(2): 305–326.
DOI: 10.1016/j.ympev.2011.12.022View Article Google Scholar

Horn, J.W., Z. Xi, R. Riina, J.A. Peirson, Y. Yang, B.L. Dorsey, P.E. Berry, C.C. Davis and K.J. Wurdack. 2014. Evolutionary bursts in Euphorbia (Euphorbiaceae) are linked with photosynthetic pathway. Evolution 68(12): 3485–3504.
DOI: 10.1111/evo.12534View Article Google Scholar

IUCN Standards and Petitions Subcommittee. 2019. Guidelines for using the IUCN Red List Categories and Criteria, Version 14. Prepared by the Standards and Petitions Subcommittee of the IUCN Species Survival Commission. Available from: http://jr.iucnredlist.org/documents/RedListGuidelines.pdf, accessed August 2019

Mabberley, D.J. 2017. Mabberleys plant-book, a portable dictionary of plants, their classification and uses, fourth edition. Cambridge university press.

Malpure, N.V., A.N. Chandore and S.R. Yadav. 2016. Euphorbia gokakensis sp. nov. (Euphorbiaceae) from sandstone formations in Karnataka, India. Nord. J. Bot. 34(3): 380–383.
DOI: 10.1111/njb.00997View Article Google Scholar

Malpure, N.V., P.S. Raut, A.N. Chandore and B.E. De Jong. 2021a. Euphorbia lakshminarasimhanii: a new pygmy succulent species from Konkan region of Maharashtra, India. Nord. J. Bot. 39(7): e03142.
DOI: 10.1111/njb.03142View Article Google Scholar

Malpure, N.V., P.S. Raut, M.M. Sardesai and B.E. De Jong. 2021b. Euphorbia sahyadrica (Euphorbiaceae), a new species of succulent shrub from the wet zone of the northern Western Ghats, Maharashtra, India. Phytotaxa 500(4): 285–293.
DOI: 10.11646/phytotaxa.500.4.4View Article Google Scholar

Pahlevani, A.H., S. Liede-Schumann and H. Akhani. 2020. Diversity, distribution, endemism and conservation status of Euphorbia (Euphorbiaceae) in SW Asia and adjacent countries. Plant. Syst. Evol. 306(5): 80.
DOI: 10.1007/s00606-020-01705-4View Article Google Scholar

Peirson, J.A., P.V. Bruyns, R. Riina, J.J. Morawetz and P.E. Berry. 2013. A molecular phylogeny and classification of the largely succulent and mainly African Euphorbia subg. Athymalus (Euphorbiaceae). Taxon 62(6): 1178–1199.
DOI: 10.12705/626.12View Article Google Scholar

Prasad, K. and P.V. Prasanna. 2016. Euphorbia seshachalamensis (Euphorbiaceae), a new species from Andhra Pradesh, India. Ann. Bot. Fenn. 53(1-2): 73–76.
DOI: 10.5735/085.053.0214View Article Google Scholar

Riina, R., J.A. Peirson, D.V. Geltman, J. Molero, B. Frajman, A. Pahlevani, L. Barres, J.J. Morawetz, Y. Salmaki, S. Zarre, A. Kryukov, P.V. Bruyns and P.E. Berry. 2013. A worldwide molecular phylogeny and classification of the leafy spurges, Euphorbia subgenus Esula (Euphorbiaceae). Taxon 62(2): 316–342.
DOI: 10.12705/622.3View Article Google Scholar

Sarojinidevi, N. 2017. Euphorbia venkatarajui sp. nov. (Euphorbiaceae) from Eastern Ghats of Andhra Pradesh, India. Nord. J. Bot. 35(3): 359–364.
DOI: 10.1111/njb.01488View Article Google Scholar

Sarojinidevi, N. and R.R.V. Raju. 2014. Euphorbia kadapensis (Euphorbiaceae), a new species from southern India. Phytotaxa 181(3): 179–183.
DOI: 10.11646/phytotaxa.181.3.6View Article Google Scholar

Sarojinidevi, N. and K.R.K. Swamy. 2018. Euphorbia belagaviensis sp. nov. (Euphorbiaceae), from Karnataka state, India. Euphorbia World 14(1): 24–29.

Steinmann, V.W. and J.M. Porter. 2002. Phylogenetic relationships in Euphorbieae (Euphorbiaceae) based on ITS and ndhF sequence data. Ann. Missouri Bot. Gard. 89(4): 453–490.
DOI: 10.2307/3298591View Article Google Scholar

Yang, Y., R. Riina, J.J. Morawetz, T. Haevermans, X. Aubriot and P.E. Berry. 2012. Molecular phylogenetics and classification of Euphorbia subgenus Chamaesyce (Euphorbiaceae). Taxon 61(4): 764–789.
DOI: 10.1002/tax.614005View Article Google Scholar

Zimmermann, N.F.A., C.M. Ritz and F.H. Hellwig. 2010. Further support for the phylogenetic relationships within Euphorbia L. (Euphorbiaceae) from nrITS and trnL–trnF IGS sequence data. Plant Syst. Evol. 286(1-2): 39–58.
DOI: 10.1007/s00606-010-0272-7View Article Google Scholar