About Alternanthera denticulata R.Br.
Taxonomic Identity and Growth Form
Alternanthera denticulata R.Br. is a perennial herb that grows in a range from prostrate to erect forms, with stems that develop roots at their nodes.
Stem Characteristics
Stems are green with a pink flush, and range from sparsely hairy to completely hairless, while the nodes are tomentose, meaning they are covered in dense, intertwined hairs.
Leaf Dimensions and Coloration
Leaves measure (20-)30–80 mm long by 6–12 mm wide, and are colored light green, yellow-green, or pink-tinged; both the midrib and lateral veins are pink.
Leaf Margin Features
Leaf margins are either finely toothed or entire.
Western Australian Habitat
In Western Australia, this species grows on sand and clay soils along the banks of creeks, rivers, and in swamps, and flowers from April to August.
New Zealand Habitat and Flowering
On the North Island of New Zealand, it occurs in coastal and lowland wetlands, along lake margins, and on other damp ground, with a flowering period from January to December.