Record of Oldenlandia hygrophila Bremek. (Spermacoceae: Rubiaceae), a lesser known herb from Palghat Gap of Western Ghats, Kerala, India

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Vadakkeveedu Jagadesh Aswani
https://orcid.org/0000-0001-8806-118X
Vasudevan Ambat Rekha
https://orcid.org/0000-0003-1706-509X
Pathiyil Arabhi
https://orcid.org/0000-0002-5609-8508
Manjakulam Khadhersha Jabeena
https://orcid.org/0000-0002-9449-6590
Kunnamkumarath Jisha
https://orcid.org/0000-0002-9449-6590
Maya Chandrashekaran Nair
https://orcid.org/0000-0002-1667-817X

Abstract

Oldenlandia hygrophila Bremek., a lesser known taxon has been relocated from the type location in the Palghat (Palakkad) gap region of southern Western Ghats, Kerala, India, and is described.  Setiform cuticular protuberances all over the plant, branching pattern, stipule length, axillary solitary blue flower, corolla lobes not spreading during anthesis, size of flower, presence of hyaline hairs inside corolla tube, calyx lobe reaching one-fourth of the corolla tube, exerted anthers with glabrous filaments, sub - globose capsule and seed surface pattern are some of the peculiar features which makes this taxa different from other Oldenlandia species.  After its type collection in 1972, this endemic taxa could not be relocated from its type locality till date.

Article Details

How to Cite
[1]
Vadakkeveedu Jagadesh Aswani, Vasudevan Ambat Rekha, Pathiyil Arabhi, Manjakulam Khadhersha Jabeena, Kunnamkumarath Jisha and Maya Chandrashekaran Nair 2020. Record of Oldenlandia hygrophila Bremek. (Spermacoceae: Rubiaceae), a lesser known herb from Palghat Gap of Western Ghats, Kerala, India. Journal of Threatened Taxa. 12, 3 (Feb. 2020), 15400–15404. DOI:https://doi.org/10.11609/jott.5673.12.3.15400-15404.
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Author Biographies

Vasudevan Ambat Rekha, Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala 678001, India.

Assistant Proffessor, Department of Botany, Mercy College (University of Calicut), Palakkad, Kerala, PIN 678006, India

Pathiyil Arabhi , Department of Botany, Baselius College (Mahatma Gandhi University), Kottayam, Kerala 686001, India.

Assistant Proffessor, Department of Botany, Baselius College (Mahatma Gandhi University), Kottayam, Kerala, PIN 686001, India.  

Manjakulam Khadhersha Jabeena, Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala 678001, India.

Research Scholar, Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala, PIN 678001, India

Kunnamkumarath Jisha, Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala 678001, India.

Research Scholar, Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala, PIN 678001, India. 

Maya Chandrashekaran Nair, Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala 678001, India.

Assistant Proffessor, Post Graduate and Research Department of Botany, Govt. Victoria College (University of Calicut), Palakkad, Kerala, PIN 678001, India. 

Funding data

References

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