Selected images for yellowflag iris (Iris pseudacorus )
Yellow flag iris is a perennial plant that occurs in wet areas such as ditches and marshes. Leaves arise from the base of the plant and are flattened, 3-4 ft. (0.9-1.2 m) long with a raised mid-rib. Bright yellow flowers appear in late spring to early summer. Flowers develop in groups of 2-10 and have three drooping, yellow sepals with purple-brown markings and 3 smaller, unmarked and upright yellow petals. Flowers are about 3 in. (7.6 cm) wide. Fruit are brown capsules that are 2 in. (5 cm) long. Yellowflag iris was introduced into the United States in the mid-1800s as an ornamental from Eurasia or Northern Africa. Plants can withstand a wide variety of conditions, including brackish water, acidic water and periods of drought.
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 5207006 yellowflag iris Iris pseudacorus Plant(s) Todd Pfeiffer |
 5207010 yellowflag iris Iris pseudacorus Flower(s) Nancy Loewenstein |
 5207014 yellowflag iris Iris pseudacorus Flower(s) Nancy Loewenstein |
 5387429 yellowflag iris Iris pseudacorus Fruit(s) Joseph M. DiTomaso |
 5272045 yellowflag iris Iris pseudacorus Flower(s) Leslie J. Mehrhoff |
 5207012 yellowflag iris Iris pseudacorus Flower(s) Nancy Loewenstein |
 5272047 yellowflag iris Iris pseudacorus Fruit(s) Leslie J. Mehrhoff |
 5207008 yellowflag iris Iris pseudacorus Plant(s) Nancy Loewenstein |
 5207015 yellowflag iris Iris pseudacorus Plant(s) Nancy Loewenstein |
 5272046 yellowflag iris Iris pseudacorus Infestation Leslie J. Mehrhoff |
 5453125 yellowflag iris Iris pseudacorus Seed(s) Leslie J. Mehrhoff |
 5307069 yellowflag iris Iris pseudacorus Seed(s) Steve Hurst |
 5272048 yellowflag iris Iris pseudacorus Root(s) Leslie J. Mehrhoff |
 5387430 yellowflag iris Iris pseudacorus Root(s) Joseph M. DiTomaso |
 5453147 yellowflag iris Iris pseudacorus Plant(s) Leslie J. Mehrhoff |
 5307067 yellowflag iris Iris pseudacorus Plant(s) USDA PLANTS Database |
 5307068 yellowflag iris Iris pseudacorus Plant(s) USDA PLANTS Database |
