The occurence of Croton bonplandianus in Java and a new record of Caperonia palustris for Malesia Region
2020
Anshor, Zakaria A. | Irsyam, Arifin S. D. | Hariri, Muhammad R. | Irwanto, Rina R.
Two noteworthy species belongs to the Euphorbiaceae, namely Caperonia palustris and Croton bonplandianus, have been recently collected from Java Island, West Malesia. The discovery of C. palustris is a new record for Malesia region, while C. bonplandianus is considered as a newly recorded alien species to the Flora of Java. Caperonia palustris is characterized by the glandular and non-glandular hairs on its stem and petiole, triangular to lanceolate or subulate stipules, and leaves in ovateoblong or elliptic-oblong to lanceolate shape. Croton bonplandianus differs from the previously reported species in Java, C. hirtus, by its non-irritating hairs on the stem, sessile basal leaf glands, leaf margin with simple serration, and ellipsoid fruit. Descriptions and a brief discussion are given.
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