Invasive Alien Species

Species Name: Elephantopus scaber

Family Name:
Asteraceae/Compositae
Synonym:
Origin:
Tropical America
Description:
A short, stiff, tufted and perennial herb,  up to 70 cm tall.  Leaves mostly basal rosette,  white-hairy, variable in size, oblong, broadest near the rounded or blunt tip, narrowed to the base, 4-15 x 1-5 cm wide; leafstalk very short and hairy. Inflorescence at the end of white wooly branches rising from leaves, several in clusters surrounded by broad reddish or purplish leaf-like bracts; corolla purple, 8-9 mm long,  just protruding beyond the bracts with a white tube. Achenes ribbed,  with a pappus of stiff bristles.
Invaded Habitat:
On grassy fields, road sides, dike of rice-fields, forest borders, young forests and sometimes a troublesome weed in lawn.
Distribution:
Pan tropic, widely distributed throughout Indonesia.
Ecology:
Found at 0-1500 m alt.
References:
  1. Backer , C. A. & R. C. Bakhuizen Van Den Brink.  1965.  Flora of Java. N.V. P. Noordhoff. Groningen, Netherlands. 
  2. Barnes D.E. & L. G. Chan. 1990. Common Weeds of Malaysia and their control. Ancom Berhad. Persiaran Selangor. 40000 Shah Alam, Malaysia. 
  3. Pancho, J. V. & S.R. Obien. 1983.Manual of Weeds of Tobacco Farms in the Philippines. Philippine Tobacco Research and Training Center. Mariano Marcos State University, Batac, Ilocos Norte, the Philippines