Invasive Alien Species
Species Name: Heliotropium indicum
- Family Name:
- Heliophytum indicum DC.
Tuaridium indicum Lehm.
- Probably tropical America, wide spread to all tropical region in the world
- An erect annual herb, 20-75 cm tall. Stem rather succulent, hairy, with alternate branches. Petiole with slightly wing, 2-4 cm long; leaf blades ovate, with irregular teeth margins, 2.5-10 x 1.5-6 cm. Inflorescence usually terminal, narrow spikes, 15-20 cm long, curled backwards at the tip, numerous small white, lavender or purple, flowers on the upper side in two closely packed rows; individual flowers tubular, up to 4 mm long, the lower ones opening first. Fruit green, 4 mm long, 2 lobed, each lobe consisted of 2 united angular nutlets
- Invaded Habitat:
- Waste places, ditch borders, dried up pools and ditches, on spread mud, along roads, rice fields, vegetable crops.
- Throughout Indonesia except Moluccas and Papua
- On sunny or periodically moist, or marshy and desiccating sites, up to 800 m altitude.
- Backer , C. A. & R. C. Bakhuizen Van Den Brink. 1965. Flora of Java. N.V. P. Noordhoff. Groningen, Netherlands.
- Mannetje,L. and R.M. Jones (eds). 1992. PROSEA. Plant Resources of South East Asia No. 4. Forages. Prosea Foundation, Bogor, Indonesia and Pudoc-DLO, Wageningen, the Netherlands.
- Moody, K., C.E. Munror, R.T. Lubigan and E.C. Paller. 1984. Major weeds of the Philippines. Weed Science Society of the Philippines, UPLB College, Laguna, Philippines.
- 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
- Soerjani, M., A. J. G. H. Kostermans & Gembong Tjitrosoepomo (Eds.). 1987. Weeds of Rice in Indonesia. Balai Pustaka. Jakarta