Milkweed Western Australia. 0 endemic to western australia. 1 species in western australia.
Most species are toxic to humans and many other species primarily due to the presence of cardenolides although as with many such plants there are species that feed upon them i e. Occurring in the americas. The common name comes from the plants abundant milky sap that oozes from nearly any broken tissue from the flower to the.
Naturalised in australia via private gardens.
Common milkweed asclepias syriaca is a native herbaceous perennial whose main virtue is its appeal to butterflies especially the monarch which deposits its eggs on the milkweed when the caterpillars hatch they feed on the leaves of milkweed. During summer for just six weeks the monarch or wanderer butterfly lives its short busy life in many australian backyards. Common milkweed plants grow to about 2 to 4 feet in height with a thin vertical growth habit. There are milkweed species like the bush banana in australia.