Alternanthera cardinalisTelanthera osirisAlternanthera rosaefolia Alternanthera reineckii is a species of aquatic plant in the family Amaranthaceae known as water hedge.

Several cultivars are used as ornamental plants in aquaria.

It is native to South America.

[1] The species populates submerged and semi-aquatic habitats such as marshes, stream banks, and ponds.

It grows up to 30cm tall.