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1 May 2018 Lasianthus agasthyamalayanus (Rubiaceae), a New Species from the Southern Western Ghats, Kerala, India
Jagadeesan Raveendran, Sam Paul Mathew, Gangaprasad Appukuttannair, Ettickal Sukumaran Santhosh Kumar
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Abstract

Lasianthus agasthyamalayanus R. Jagad., S.P. Mathew, Gangapr. & E.S.S. Kumar (Rubiaceae) from the southern Western Ghats, Kerala, India is described as a new species. It resembles especially L. obliquus, but differs from it by having glabrous mature branches; smaller leaves with apiculate apex; triangular, broadly ovate stipules; larger flowers; elliptic-lanceolate calyx lobes, and a black mature fruit. A key to the species of Lasianthus from the southern Western Ghats is provided.

© Finnish Zoological and Botanical Publishing Board 2018
Jagadeesan Raveendran, Sam Paul Mathew, Gangaprasad Appukuttannair, and Ettickal Sukumaran Santhosh Kumar "Lasianthus agasthyamalayanus (Rubiaceae), a New Species from the Southern Western Ghats, Kerala, India," Annales Botanici Fennici 55(1–3), 87-91, (1 May 2018). https://doi.org/10.5735/085.055.0110
Received: 21 June 2017; Accepted: 22 December 2017; Published: 1 May 2018
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