Check List 20(6): 1404-1410, doi: 10.15560/20.6.1404
Three newly reported escaped non-native Costus L. species (Costaceae) in Java, Indonesia
expand article infoArifin Surya Dwipa Irsyam, Muhammad Rifqi Rifqi Hariri§, Muhammad Hisyam Fadhil|, Zakaria Al Anshori|, Asih Perwita Dewi§, Peniwidiyanti Peniwidiyanti, Muhammad Fabio Rayhan Kurniawan|, Muhammad Hisyam Baidlowi#, Dian Rosleine¤
‡ School of Life Sciences and Technology ITB, Sumedang, Indonesia§ National Research and Innovation Agency, Bogor, Indonesia| IPB University, Bogor, Indonesia¶ Research Center for Plant Conservation & Botanic Gardens BRIN, Bogor, Indonesia# Botani Tropika Indonesia Foundation, Bogor, Indonesia¤ Institut Teknologi Bandung, Bandung, Indonesia
Open Access
Abstract
Costus L. is the most species‑rich genus in Costaceae and is mainly distributed in the Neotropics and tropical Africa. Five Costus species have been introduced to Java, Indonesia, for ornamental purposes. During our botanical expeditions in Java from January to May 2023, we discovered three previously unreported species of Costus that occur spontaneously in the wild: C. phyllocephalus K.Schum., C. spicatus (Jacq.) Sw., and C. villosissimus Jacq. Their spontaneous populations have been found on roadsides and abandoned areas in West Java.
Keywords
Alien plant, introduced, Malesia, spiral ginger, Zingiberales