Ophiorrhiza gajureliana (Rubiaceae): a new species from Arunachal Pradesh, India

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DOI: 10.1007/s42535-024-01094-w
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Keywords: n Ophiorrhizan , Critically endangered, Arunachal Pradesh


Abstract


Ophiorrhiza gajureliana is described and illustrated here as a new taxon. It was discovered in the Lower Dibang Valley, Arunachal Pradesh, India. The taxon is identified using conventional taxonomic techniques by critically examining the specimens and scrutinising the relevant literature. The conservation status of the taxon is also evaluated as Critically Endangered.

n                     Ophiorrhizan                  , Critically endangered, Arunachal Pradesh


References


Barooah C, Ahmed I (2014) Plant diversity of Assam: a checklist of angiosperms and gymnosperms. – Assam Science Technology and Environment Council, Guwahati


Balan AP, Robi AJ, Joseph G (2020) Ophiorrhiza meenachilarensis, a new species of Rubiaceae from southern Western Ghats, India. Webbia J Plant Taxonomy Geography 75(2):231–236


Bhuyan B, Baruah S, Mehmud S (2021) Ophiorrhiza recurvipetala (Rubiaceae) sp. nov. from Assam, India. Nordic Journal of Botany 39(3). https://doi.org/10.1111/njb.03048


Bhuyan B, Baruah S (2022) On the extended distribution of two species of Ophiorrhiza L. (Rubiaceae) from the States of India. Plant Science Today 9(4):1085–1089


Darwin SP (1976) The Pacific species of Ophiorrhiza L. (Rubiaceae). Lyonia 1:48–101


Gopalakrishnan K et al (2018) Tissue culture studies and estimation of camptothecin from Ophiorrhiza prostrata D. Don Indian J Plant Physiol 23:582–592. https://doi.org/10.1007/s40502-018-0391-7


Hajra PK et al (1996) Materials for the Flora of Arunachal Pradesh. Vol. 1 (Ranunculaceae-Dipsacaceae). –– Botanical Survey of India, Calcutta.


Halford DA (1991) The genus Ophiorrhiza L. (Rubiaceae) in Australia. Austrobaileya 3: 369–375. https://www.jstor.org/stable/41738777


Hareesh VS et al (2015) Lectotypifcation of Ophiorrhiza heterostyla Dunn and the new record of O. rugosa Wall. Var. angustifolia (Twaites) Ridsdale (Rubiaceae) for India. Webbia 70(1):109–112


Hareesh VS et al (2020) Revisiting the taxonomy of Ophiorrhiza codyensis and lectotypifcation of O. pykarensis (Rubiaceae), two endemic taxa of the Western Ghats. Phytotaxa 452(2):173–179


Hareesh VS, Sabu M (2018) The genus Ophiorrhiza (Rubiaceae) in Andaman and Nicobar Islands India with a new species. Phytotaxa 383(3):259–272


Hareesh VS, Sabu M (2022) Taxonomic studies on Indian Ophiorrhiza L.(Rubiaceae): with a new variety, new distributional record of O. medogensis H. Li for India and the identity of O recurvipetala Bhuyan. Baruah & Mehmud. Adansonia 44(5):29–36


Hooker JD (1880) Flora of British India Vol.3., L. Reeve and Co., 5 Hen-reitta Street, Convent Garden, London.


IUCN (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission IUCN, Gland and Cambridge. (Available online:www.iucnredlist.org/technical-documents/categories-and-criteria).


IUCN (2012) IUCN Red List Categories and Criteria: Version 3.1. Second edition. Gland, Switzerland and Cambridge, UK, pp. 32


Jeyaprakash K, Balachandran N (2023) Ophiorrhiza ripicola Craib Rubiaceae a new record to India from Arunachal Pradesh. Biodiversity: Research and Conservation. 70:9–12.


Kanjilal UN et al (1939) Flora of Assam, vol 3. Assam Govt. Press, Shillong




 


Author Information


North Eastern Institute of Ayurveda & Folk Medicine Research (An Autonomous Institute Under Ministry of Ayush, Govt. of India), Pasighat, India