Asthma plant

Chamaesyce hirta

family

Euphorbiaceae

origin

Native

declaration

NIL

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.

Leaf arrangement:Simple
Leaf form:Opposite
Green
Yellow
Cream
Green
Purple
48BFB2B5-D573-4E91-B7A1-0B51D3FF42E9Discoloured

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

Control Methods