Global Compendium of Weeds (GCW) Western Australia Department of Agriculture (AgWest) Hawaiian Ecosystems at Risk project (HEAR) Global Compendium of Weeds: references
http://www.hear.org/gcw/asystasia0001/


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Asystasia gangetica subsp. micrantha, a newly naturalized plant in TaiwanAsystasia gangetica subsp. micrantha (Acanthaceae) was found naturalized in southern Taiwan. This taxon represents a new record for the genus and the species on the island. The genus includes approximately 70 species in the world, distributed in Africa, India, mainland China and Australia. This plant is a perennial herb, erect, 15 to 60 cm tall. The leaves are opposite, ovate, 4-9 cm long, 2-5 cm wide. The corolla is zygomorphic, about 1-1.3 cm in diameter, white, bell-shaped. Plant nodes form roots when they enter in contact with moist soil, ultimately forming mats or sprawling mass stems. Given such asexual propagation and lack of natural predators, these plants are highly invasive and are considered as weeds. The introduction of this weed has caused serious disturbance to natural habitats, particularly in Malaysia, Indonesia and the Pacific islands. For more information on this plant: http://www.hear.org/pier/species/asystasia_gangetica.htm

URL: http://www.hear.org/pier/species/asystasia_gangetica.htm


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This page was created on 13 September 2007 by PT, and was last updated on 13 September 2007 by PT based on data from Rod Randall's Global Compendium of Weeds database dated 24 January 2007. Valid HTML 4.01!