Acta Phytotaxonomica et Geobotanica
Online ISSN : 2189-7042
Print ISSN : 1346-7565
Two New Species and Notes on Bornean Praravinia (Rubiaceae)
Miyako KoizumiHidetoshi Nagamasu
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Volume 67 (2016) Issue 3 Pages 175-184

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Abstract

Two new species of Praravinia (Rubiaceae) from Borneo, P. longicalyx Koizumi & Nagam. and P. nitida Koizumi & Nagam., are described and illustrated. Characters of the fruit of P. subtomentosa Bremek. are described for the first time. A new combination, Urophyllum oresitrophum (Bremek.) Koizumi & Nagam. based on P. oresitropha Bremek., is proposed and the original description is amended. A revised key to the Bornean species of Praravinia is provided.

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© 2016 The Japanese Society for Plant Systematics
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