Invasive Alien Species

Species Name: Celosia argentea

Family Name:
Amaranthaceae
Synonym:
Origin:
Perhaps Africa
Description:
Annual herb, stiffly erect to 150 cm tall. Leaves rather sparse, alternate, sometimes reddish, oblong-lanceolate, 4-18 cm x 0.8-6.5 cm (highest very small).  Inflorescences in dense terminal racemes, at first oval, lengthening as flowering proceeds; perianth segments 5, to 8 mm long, scarious, white with at first a pinkish tinge; stamens 5, united at the base, anther violet-pink; style persistent, at first violet-pink. Fruit membranous (utricle) finally splitting around the equatorial line.  Seed lenticular, about 1.2 mm across, black, shining.
Invaded Habitat:
Roadsides, especially after disturbance, building sites, quarries, riverbeds, upland and gogo rancah rice fields.  Also a weed in annual crops and sometimes heavily grazed pastures.
Distribution:
Throughout Indonesia.
Ecology:
Flowering from January to December, up to 700 m alt.
References:
  1. Backer , C. A. & R. C. Bakhuizen Van Den Brink.  1965.  Flora of Java Vol. I.  N.V. P. Noordhoff. Groningen, Netherlands. 
  2. Henty, E.E., and G.H. Pritchard.  1973.  Weeds of New Guinea and Their Control.  Botany Bulletin No. 7.  Division of Botany, Department of Forests, Lae, Papua New Guinea.  195 pages. 
  3. Soerjani, M.,  A. J. G. H. Kostermans & Gembong Tjitrosoepomo (Eds.).  1987.  Weeds of Rice in Indonesia. Balai Pustaka. Jakarta.