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Common Name: Caustic Weed
Euphorbia drummondii is an annual plant that can grow up to 0.20 metres tall.
It is harvested from the wild for local use as a medicine..
The sap contains a latex which is toxic on ingestion and highly irritant externally, causing photosensitive skin reactions and severe inflammation, especially on contact with eyes or open cuts. The toxicity can remain high even in dried plant material[
]. Prolonged and regular contact with the sap is inadvisable because of its carcinogenic nature[
Australia - all mainland states.
A weed of disturbed ground and bare soils, especially clay soils, in all mainland states of Australia[
We have very little information on this species and do not know if it will be hardy in Britain. Other members of this genus prefer a light well-drained moderately rich loam in an open position[
Hybridizes with other members of this genus[
]. The ripe seed is released explosively from the seed capsules[
Members of this genus are rarely if ever troubled by browsing deer or rabbits[
This genus has been singled out as a potential source of latex (for making rubber) for the temperate zone, although no individual species has been singled out[
Antirheumatic, astringent, skin[
Seed - sow spring in situ. Germination usually takes place within 2 - 3 weeks at 20°c.