Kadupahara (කඩු පහර) Crassocephalum crepidioides
Common name - Kadupahara
Botanical name - Crassocephalum crepidioides
Family - Asteraceae
Life cycle - Annual
Morphology
- Terrestrial, annual, erect herb, up to 100 cm tall.
- Taproots white or brown. Stem rounded or grooved, solid, hairy. Stipules absent.
- Leaves simple, divided, alternate spiral, sessile or stalked, glabrous or hairy on both sides, margin coarsely dentate, apex acute, base acute, pinnately veined.
- Flowers bisexual, grouped together in a terminal head of tubular flowers only, sessile, red or red-brown.
- Fruit an achene with pappus
Propagation
- by seed and runners fragments, hydrochorous.
Agricultural usage/ importance
- Eaten raw or steamed as a vegetable; used as a medicine.
Control methods
- Post-emergence application of paraquat (older plants must be wetted well) or diuron plus surfactant. 2, 4-D at 0.5 to 0.8 kg ha-1 or MCPA at 0.4 kg ha-1 applied within 20-30 days after emergence provides good control.
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