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Evolvulus nummularius (L.) L. (A) habit, (B) flowers, (C) fruit
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According to the Flora of Java, there is only one species of Evolvulus in Java, namely Evolvulus alsinoides. Since then, a second species was reported in 2017 from Universitas Indonesia, Depok, West Java, as an alien naturalized species. Some recent field studies have been conducted to provide updated taxonomic information of the genus on this isla...
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A bamboo inventory for Banggai Kepulauan has never been done. Knowledge of the islands’ floristic diversity is poor. This study explored bamboo diversity in Banggai Kepulauan, Central Sulawesi, Indonesia. We conducted fieldwork from June – July 2019 on the islands of Peleng and Bakalan. Bamboo specimens were collected and deposited in Herbarium Bog...
Citations
... More than 6000 species native and introduced have been reported. With the gap of more than a half century ago, many new discoveries either new taxon (Mahyuni et al., 2018) or new records of native (Puspitaningrum et al., 2017) or alien plants (Irsyam & Mountara, 2018;Irsyam et al., 2019aIrsyam et al., , 2019bIrsyam et al., , 2020 have been published. ...
More than 6000 plant species, native and introduced, have been recorded in Java that includes the Costaceae family. In the last few years, several additions of alien Costus species have been published from Java. In 2019, a set of specimens of wild Costus sp. was collected from Institut Pertanian Bogor, Bogor, West Java Indonesia. This species is not similar to any previously recorded wild Costus in Java. Therefore, this research aims to identify the collected specimen and provide a taxonomic account for the species. The morphological description was made from the living plant and the collected herbarium. The description was used to identify the species, supported by field notes and photographs. The result showed that the recently collected specimen belongs to Costus dubius. Before this finding, the plant was only known in cultivation in the Bogor Botanical Garden. Therefore, this finding represents the first record of the adventive population of C. dubius in Java and increases the number of wild Costus in Java into seven species. Further researches on Costus in Java are suggested such as the ecological impact due to the presence of several non-native species.
... Plant naturalization in Bogor and its surrounding regions is quite common (Mustaqim & Nisyawati 2016;Mustaqim et al. 2017;Nisyawati & Mustaqim 2017;Hariri & Irsyam 2018;Irsyam & Mountara 2018;Irsyam et al. 2019aIrsyam et al. , 2019bMustaqim 2019;Irsyam et al. 2020). There is a good example of undetected but already widespread species of alien tree of Cecropia peltata. ...
Surianto Effendi & Wendy A. Mustaqim. 2021. Alstonia macrophylla (Apocynaceae): A New Record of Naturalized Species in Java, Indonesia. Floribunda 6(6): 207–212. — Alstonia macrophylla (Apocynaceae), a Malesian widespread species tree, here for the first time is formally reported to be naturally found in Java. The report is based on plants growing in the Ciampea limestone hills, Ciampea sub-district, west of Bogor, West Java. Description, ecology, illustration and a brief discussion regarding the occurrence state of this species as naturalized species in Java are presented. A key to Alstonia species in Java is also given.
