|Scientific Name||Chromolaena odorata (L.) R. King & H. Robinson|
Flowering class: Dicot
Distribution notes: Exotic
Habit: An aromatic, erect shrub, upto 3m.
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
Flowers attract butterflies.
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
Found along the roadsides and waste places from plains to 1000m. Common. Native of tropical America, naturalized widely in tropical Asia.
Karnataka: Coorg, Hassan, Mysore
Kerala: All districts
Tamil Nadu: All districts
The leaf extract used in the treatment of soft tissue wounds, burns and skin infections.