Click on images to enlarge
habit (Photo: Sheldon Navie)
close-up of hairy younger stem and bases of paired leaves (Photo: Sheldon Navie)
leaves and young flower cluster (Photo: Sheldon Navie)
close-up of leaves with toothed margins (Photo: Sheldon Navie)
close-up of leaf underside (Photo: Sheldon Navie)
flower cluster (Photo: Sheldon Navie)
close-up of whitish flowers subtended by small hairy bracts (Photo: Sheldon Navie)
immature fruit and flowers in an older, more elongated, cluster (Photo: Sheldon Navie)
Scientific Name
Stachytarpheta australis Moldenke
Synonyms
Stachytarpheta dichotoma (Ruiz & Pav.) Vahl (misapplied)
Family
Verbenaceae
Common Names
branched porterweed, snake weed, snakeweed, white snakeweed
Origin
Native to Mexico, Central America, the Caribbean and South America, south to Peru and Argentina.
Naturalised Distribution
Widely naturalised in northern Australia (i.e. in northern Queensland and the north-western parts of the Northern Territory) and also occasionally naturalised in south-eastern Queensland.
Naturalised overseas in Hawaii and Indonesia.
Notes
White snakeweed (Stachytarpheta australis) is regarded as an environmental weed in northern Australia (i.e. in the Northern Territory and northern Queensland).
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