
Pachliopta manus
Image: Thilanka and Nimali (cc-by-nc)
NamePachliopta manus
Scientific NameAgeratum conyzoides
Common NamesBillygoat-weed, Goatweed, Chickweed, White weed, Tropic ageratum
Plant FamilyAsteraceae
Natural HabitatNative to Central and South America, now a pantropical weed found in disturbed areas, agricultural fields, roadsides, and open forests.
Parts Usedwhole_plant,leaf,flower
Medicinal Actionsanti-inflammatory,antimicrobial,analgesic,antioxidant,astringent
Traditional UsesTraditionally used for treating wounds, burns, skin infections, fever, colds, headaches, and gastrointestinal issues. In some cultures, it's used as an insect repellent and for its anti-inflammatory properties.
Active ConstituentsFlavonoids, Alkaloids, Coumarins, Essential oils (e.g., precocene I and II)
Preparation Methodsinfusion,decoction,poultice,powder
Contraindications & WarningsContains pyrrolizidine alkaloids which can be hepatotoxic with chronic or high-dose internal use. Should be used with caution, especially internally. Not recommended for pregnant or breastfeeding women.
Cultivation NotesA fast-growing, opportunistic weed that thrives in warm climates and various soil types. It can be easily propagated by seed and is often considered invasive.
Raritycommon
Description
An annual herbaceous plant growing up to 1 meter tall, characterized by hairy stems and ovate leaves. It produces dense clusters of small, fluffy white to pale blue-purple flowers.





