|Scientific Name||Chromolaena odorata (L.) R. King & H. Robinson|
Flowering class: Dicot
Distribution notes: Exotic
Shrubs, glandular hairy. Leaves 8-12 x 5-8 cm, ovate, apex acute, base cuneate, crenate, hispid; petiole 2-3 cm long, cylindrical-oblong. Heads to 10 mm long, in terminal corymbose cymes; bracts 3-5-seriate, to 8 mm long, ovate, obtuse; outer smaller, inner linear, acute, 3-ribbed. Flowers few to many, similar, bisexual; corolla 5 mm long, white, tubular, 5-lobed, pubescent at apex. Achenes 4 mm long, linear, 5-angled, scabrous, black; pappus many, 4-7 mm long, setaceous, yellowish.
Flowering and fruiting: November-May
In much branched, corymbose panicles; capitula white. Flowering from December-March.
An achene, scaly without, angles thickened. Fruiting throughout the year.
Leaves 3-nerved from base.
Obovate to deltoid-ovate
Acute to truncate
Notes: A weed in all terrestrial habitats Naturalized , Native of Tropical America
Less in the plains, introduced. Aggressive colonizer. Hills, lower slopes, 500-1000m. Native of south America. Widely naturalized in tropical Asia.
A weed in all terrestrial habitats
Native of America; naturalised in Tropical Asia
State - Kerala, District/s: All Districts
Karnataka: Coorg, Hassan, Mysore
Kerala: All districts
Tamil Nadu: All districts
Found along the roadsides and waste places from plains to 1000m. Common. Native of tropical America, naturalized widely in tropical Asia.
The leaf extract used in the treatment of soft tissue wounds, burns and skin infections.