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Class: Iris pseudacorus
Sub Family: Iridaceae
Year: Perennial
Other Names: Water Flag
Colour: Yellow
Height: 90 cm-1.2 m (3-4')
Each Flower: 3 narrow, upcurved petals shorter than 3 broad downcurved petal-like sepals and purple pencil-lined on inside; up to 5 cm (2") long, lower parts of both petals and sepals form tube about 1.3 cm (1/2") long; style has 3 petal-like branches and 3 stamens opposite sepals under style branches; flower-stems 5-7.5 cm (2-3") long with usually 2 sheath-like bracts from which flowers emerge
Leaves: Alternate up stem, stiff and sword-like, and up to 90 cm (3') long and 2 cm (3/4") broad, finely-ribbed, and sheathing stem
Stems: Stout, rigid, round, and jointed at shorter stem-leaves
Blooming Period: June - July
Habitat: Marshes, sloughs, lakes, and streambanks

Poisonous. May cause dermatitis