Invasive Alien Species
Species Name: Boerhavia erecta
- Family Name:
- Tropical and sub-tropical America
- Perennial, erect, branched herb, up to 100 cm tall, with strong taproot. Stem cylindrical, thickened at the nodes, green or purplish, commonly sticky. Leaves opposite in unequal pairs, ovate-oblong to ovate- lanceolate, petiolate, glandular, finely hairy, 10-40 x 5-25 mm (larger leaves), 5-30 x 4-20 mm (smaller leaves). Inflorescence axillary and terminal panicles, or umbel-like, in head of 3-9 flowers; perianth constricted about the middle, green and persistent below, upper parts white to pink, 5-lobed, and falling at maturity. Fruit thin walled, ribbed, becoming sticky when we, 4 mm long, containing a single, club-shaped, longitudinally-ribbed seed
- Invaded Habitat:
- Disturbed forests, grasslands, pastures, road-sides, along rail roads, gardens, cultivated lands, upland rice fields
- Throughout Indonesia except Kalimantan, as far as known
- Open, sunny places from 0from the coast up to 700 m altitude. The sticky fruit are easily dispersed by animals, including birds and humans
- Backer , C. A. & R. C. Bakhuizen Van Den Brink. 1963. Flora of Java. Vol. I. N.V. P. Noordhoff. Groningen, Netherlands.
- Soerjani, M., A. J. G. H. Kostermans & Gembong Tjitrosoepomo (Eds.). 1987. Weeds of Rice in Indonesia. Balai Pustaka. Jakarta.
- Voogd, C.N.A. de. 1950. Tanaman Apakah Ini Gerangan. Buku kecil untuk taman berkelana. N.V. Uitgeverij W. van Hoeve, Bandung’s Gravenhage (translated by Soetan Sanif).
- Waterhouse, B.M. & A.A. Mitchell. 1998. Northern Australia Quarantine Strategy. Weeds Target List. Miscellaneous Publication 6/98.