Iris ensata var. spontanea
is a perennial herb found in swamps or damp grasslands,
characterized by a rhizome that branches out sideways to form
colonies. 5-12mm long sword-shaped leaves, erect, 30-50cm in height,
mid-ribs thick and prominent. Flower stalks, 40-100cm long, bear
some red-purple flowers on the upper portion, with outer perianths
having yellow spots at the bases, which characterizes this species.
Bloom time: June-July.
Wild plants in and around Shimane
島根とその周辺の野生植物
