Invasive Alien Species
Species Name: Leucas lavandulaefolia
- Family Name:
- Leucas linifolia (Roth) Spreng.
- Continental Asia
- Annual, erect, fetid herb with strong taproot, branched from the base. Stem 4-angular, rather densely covered with up-curved hairs. Leaves opposite, linear to linear-lanceolate, somewhat toothed or entire, 4-11 x 0.3-2 cm, both sides finely hairy; petiole 2-8 mm long. Inflorescence in whorls axillary and terminal, many flowered, the bracts few, short; calyx 1 cm long, green, sharply toothed; corolla white, 1.5 cm long, the central lobe of the lower lip obovate, truncate, 8 mm wide. Nut-lets oblong to obovoid, 3-angular, blackish brown, 2-3.5 mm long.
- Invaded Habitat:
- Grass-fields, roadsides, rice-field dams, fallow agricultural fields, waste places; locally often very numerous.
- Throughout Indonesia, except Kalimantan and Sulawesi, as far as known.
- In areas with pronounced dry season, and also in areas with a short dry period , at 1-1500 m alt .
- Backer , C. A. & R. C. Bakhuizen Van Den Brink. 1965. Flora of Java Vol. II. N.V. P. Noordhoff. Groningen, Netherlands. 641 pages.
- Pancho, J.V. and 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
- Soerjani, M., A. J. G. H. Kostermans & Gembong Tjitrosoepomo (Eds.). 1987. Weeds of Rice in Indonesia. Balai Pustaka. Jakarta