Invasive Alien Species
Species Name: Myriophyllum aquaticum
- Family Name:
- Myriophyllum brasiliense Cambess
- South America
- Free-floating herb on shallow waters or sometimes creeping on muddy banks. Stems sparingly branched, mostly at the base only, 30-70 cm long. Leaves 6-verticillate, occasionally 4, 1.5-3 cm long, deeply pinnatifid, the segment filiform, light green. Inflorescence a solitary flower, in the middle and upper leaf axils, monoecious or dioecious, when monoecious, the upper one staminate, the lower one pistillate; staminate flowers distinctly pedicelled, subtended by minute bracteoles; stamens 8; pistillate flower nearly sessile, stigma 4. Fruit have never been found
- Invaded Habitat:
- Fresh water, up to 1.5 m deep, or persisting in water-saturated mud and gravel, in ditches, fish ponds, irrigated rice fields.
- Sumatra and Java
- Occurs from 450-1 400 m altitude.
- Backer , C. A. & R. C. Bakhuizen Van Den Brink. 1963. Flora of Java. Vol. I. N.V. P. Noordhoff. Groningen, Netherlands
- Pancho, J. V. and M. Soerjani. 1978. Aquatic Weeds of Southeast Asia. Univ. of the Philippines at Los Banos and SEAMEO BIOTROP, Bogor.
- Soerjani, M., AJG.H. Kostermans, G. Tjirosoepomo & 1987. Weeds of Rice in Indonesia. Balai Pustaka. Jakarta.