| marsh dayflower | USDA PLANTS Symbol: MUKE U.S. Nativity: Exotic Habit: Forbs/Herbs |
| Murdannia keisak (Hassk.) Hand.-Maz. |
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Taxonomic Rank: Liliopsida: Commelinales: Commelinaceae |
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| Synonym(s): marsh dewflower, aneilima, Asian spiderwort, wartremoving herb, marsh dayflower | |
| Native Range: Temp. & trop. Asia (GRIN); | |
Marsh dewflower (wart-removing-herb) is an annual, emergent plant that invades wetlands in the southeastern and northwestern United States. Plant stems are succulent, form roots at the nodes, and grow prostrate along the ground. Stems are 12-30 in. (30.5-76.2 cm) long. Leaves are alternate, lance-shaped, and up to 3 in. (7.6 cm) long. In September to November small, pink, 3-petaled flowers occur singly or in small clusters at the apex of the stems and in the leaf axils. Marsh dewflower invades water edges and marshes and often grows immersed. It forms dense mats that out-compete native vegetation. Marsh dewflower is native to eastern Asia and was accidentally introduced into the United States, in South Carolina, around 1935. |
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Identification, Biology, Control and Management Resources
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| Selected Images from Invasive.org | View All Images at Invasive.org |
 Plant(s); in flower Linda Lee, University of South Carolina, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Linda Lee, University of South Carolina, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Linda Lee, University of South Carolina, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); in flower Linda Lee, University of South Carolina, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); in flower Linda Lee, University of South Carolina, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Linda Lee, University of South Carolina, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Linda Lee, University of South Carolina, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Linda Lee, University of South Carolina, Bugwood.org Additional Resolutions & Image Usage |
| EDDMapS Distribution: This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org Alternative content
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 State(s) Where Reported invasive. Based on state level agency and organization lists of invasive plants from WeedUS database. Alternative content
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| U.S. National Parks where reported invasive: |
| Colonial National Historical Park (Virginia) |
