Lythrum tribracteatum
Encyclopedia
Lythrum tribracteatum is a species of flowering plant in the loosestrife family
known by the common name threebract loosestrife. It is native to Europe, and it is found in parts of western North America as an introduced species
. It often grows in moist habitat, such as pond
s. This is an erect, branching annual herb growing up to about 30 centimeters in maximum height. The oblong leaves are up to 2.5 centimeters long and arranged oppositely on the lower stem, and alternately on the upper. Clusters of small flowers grow in the leaf axils, each with glandular bright red sepal
s and tiny lavender petals.
Lythraceae
Lythraceae are a family of flowering plants. It includes about 620 species of mostly herbs, with some shrubs and trees, in 31 genera. Major genera include Cuphea , Lagerstroemia , Nesaea , Rotala , and Lythrum...
known by the common name threebract loosestrife. It is native to Europe, and it is found in parts of western North America as an introduced species
Introduced species
An introduced species — or neozoon, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its indigenous or native distributional range, and has arrived in an ecosystem or plant community by human activity, either deliberate or accidental...
. It often grows in moist habitat, such as pond
Pond
A pond is a body of standing water, either natural or man-made, that is usually smaller than a lake. A wide variety of man-made bodies of water are classified as ponds, including water gardens, water features and koi ponds; all designed for aesthetic ornamentation as landscape or architectural...
s. This is an erect, branching annual herb growing up to about 30 centimeters in maximum height. The oblong leaves are up to 2.5 centimeters long and arranged oppositely on the lower stem, and alternately on the upper. Clusters of small flowers grow in the leaf axils, each with glandular bright red sepal
Sepal
A sepal is a part of the flower of angiosperms . Collectively the sepals form the calyx, which is the outermost whorl of parts that form a flower. Usually green, sepals have the typical function of protecting the petals when the flower is in bud...
s and tiny lavender petals.