Sagittaria
Sagittaria platyphylla
family
Alismataceae
origin
Exotic
declaration
Category 3 Restricted Matter (Biosecurity Act 2014)
Must not be distributed or disposed. This means it must not be released into the environment unless the distribution or disposal is authorised in a regulation or under a permit.
Common names
Sagittaria, Arrow-head, Delta arrowhead, Grassy arrowhead, Slender arrowhead.
An aquatic herbaceous plant rooted to the ground with stems and leaves emerging above the water surface. Its large elongated leaves (10-48 cm long and 2-10 cm wide) and borne on long three-sided stalks. Separate male and female flowers are borne in groups of three on the emergent flowering stems. The lower flowers in each cluster are female while the slightly larger upper flowers are male. These flowers (about 30 mm across) are white or sometimes pinkish in colour with three sepals and three petals.
Impact
Impact
Sagittaria (Sagittaria paltyphylla) is regarded as an environmental weed in Queensland, New South Wales and Western Australia, and as an emerging or potential environmental weed in other parts of southern Australia. It was recently listed as a priority environmental weed in at least one Natural Resource Management region.
Location
Location
Characteristics
Characteristics
Similar Species
Similar Species
Sagittaria (Sagittaria paltyphylla) is regarded as an environmental weed in Queensland, New South Wales and Western Australia, and as an emerging or potential environmental weed in other parts of southern Australia. It was recently listed as a priority environmental weed in at least one Natural Resource Management region.
