The Genus Koilodepas Hassk. (Euphorbiaceae) in Malesia

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DOI https://doi.org/10.13057/biodiv/d050203
Issue
Vol. 5 No. 2 (2004)
Section
Articles

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MUZAYYINAH MUZAYYINAH ♥
Program Study of Biological Education, Department of PMIPA FKIP Sebelas Maret University Surakarta 57126, Indonesia.
EDI GUHARDJA
Department of Biology, Faculty of Mathematic and Sciences, Bogor Agriculture University, Bogor Indonesia
MIEN A. RIFAI
"Herbarium Bogoriense", Department of Botany, Research Center of Biology -LIPI, Bogor 16013, Indonesia
JOHANIS P. MOGEA
"Herbarium Bogoriense", Department of Botany, Research Center of Biology -LIPI, Bogor 16013, Indonesia
PETER VAN WALZEN
Rijksherbarium Leiden, The Netherlands

Abstract

The Malesian genus Koilodepas Hassk. has been revised based on the morphological and anatomical character using available herbarium collection in Herbarium Bogoriense and loan specimens from Kew Herbarium and Leiden Rijksherbarium. The present study is based on the observation of 176 specimens. Eight species has been recognized, namely K. bantamense, K. cordifolium, K. frutescns, K. homalifolium, K. laevigatum, K. longifolium, K. pectinatum, and two varieties within K. brevipes. The highest number of species is found in Borneo (5 species), three of them are found endemically in Borneo, K. cordisepalum endemically in Aceh, and K. homalifolium endemically in Papua New Guinea. A phylogenetic analysis of the genus, with Cephalomappa as outgroup, show that the species within the genus Koilodepas is
in one group, starting with K. brevipes as a primitive one and K. bantamense occupies in an advance position.
© 2004 Jurusan Biologi FMIPA UNS Surakarta

Keyword: Koilodepas Hassk., Malesia, outgroup, phylogenetic analysis, outgroup

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