紅龍莧 Ruby Leaf Alternanthera dentata Alternanthera dentata (Moench) Stuchl. ex R. E. Fr. f. rubiginosa Suess.(=Alternanthera brasiliana)
Prince of Wales feather? along Merri Creek.
Not cultivated but seems to be naturalized in the area.
The Amaranthaceae, the Amaranth family, represent the most species-rich lineage within the flowering plant order of Caryophyllales. Now including the former goosefoot family (Chenopodiaceae), the extended family contains approximately 180 genera and 2,500 species.