Asthma plant
Euphorbia hirta
family
Euphorbiaceae
origin
Exotic
declaration
NIL
For information only
Common names
Asthma plant, Asthma weed, Asthmaplant, Cat's hair, Flowery headed spurge, Garden spurge, Hairy spurge, Jean Roberts, Old blood, Pill bearing spurge, Pill-bearing spurge, Pillpod sandmat, Pillpod spurge, Queensland asthma weed, Red euphorbia.
A short-lived herbaceous plant producing a few spreading to almost upright stems usually growing up to 40 cm tall. Its reddish stems contain a milky sap and are covered in yellowish hairs. Its paired leaves (4-50 mm long) are borne on very short stalks and have lop-sided bases. These leaves are dark green or reddish with purplish markings and have paler undersides. Its 'flowers' are arranged into dense rounded clusters in the upper leaf forks. Its tiny hairy capsules (1-1.5 mm long) have three compartments, each containing a single light brown to reddish-brown seed.
Impact
Impact
Asthma plant (Chamaesyce hirta) is a common weed of disturbed sites, waste areas, roadsides, gardens, footpaths, lawns, bare areas, crops and pastures in south-eastern Queensland. It sometimes also invades natural vegetation in the region, including forest margins, open woodlands, riparian vegetation and dry river beds.
Location
Location
Characteristics
Characteristics
Similar Species
Similar Species
Asthma plant (Chamaesyce hirta) is a common weed of disturbed sites, waste areas, roadsides, gardens, footpaths, lawns, bare areas, crops and pastures in south-eastern Queensland. It sometimes also invades natural vegetation in the region, including forest margins, open woodlands, riparian vegetation and dry river beds.