Billygoat-weed
Image: Thilanka and Nimali (cc-by-nc)
NameBillygoat-weed
Scientific NameAgeratum conyzoides
Common NamesBillygoat-weed, Goatweed, Chickweed, White weed, Tropical whiteweed
Plant FamilyAsteraceae
Natural HabitatNative to Central and South America, but now a pantropical weed found in disturbed areas, agricultural fields, roadsides, and open forests. It thrives in moist, fertile soils.
Parts Usedleaf,flower,whole_plant
Medicinal Actionsanti-inflammatory,antimicrobial,antioxidant,analgesic,astringent
Traditional UsesTraditionally used for treating wounds, cuts, burns, skin infections, and headaches. It is also employed as an anti-inflammatory, antipyretic, and for gastrointestinal issues like diarrhea and dysentery. Some cultures use it for respiratory problems and as an insect repellent.
Active ConstituentsFlavonoids, Alkaloids, Coumarins, Essential oils (precocene I and II), Tannins, Saponins
Preparation Methodsinfusion,decoction,poultice,powder
Contraindications & WarningsContains pyrrolizidine alkaloids, which can be hepatotoxic with chronic or high-dose internal use. Not recommended for pregnant or breastfeeding women, or individuals with liver disease. External use is generally considered safer.
Cultivation NotesEasily grown from seed, often considered a weed. Prefers full sun to partial shade and moist, well-drained soil. Tolerant of various soil types and can be invasive in tropical and subtropical regions.
Raritycommon
Description
A herbaceous annual plant growing up to 1 meter tall, characterized by soft, hairy stems and ovate leaves. It produces small, fluffy white to pale blue-purple flowers in dense terminal clusters.
