Mudmat
Glossostigma diandrum
Family: Phrymaceae
Weed class: noClass
Native to: Asia, Australia, and New Zealand.
Is this Weed Toxic?:
Not known to be
Legal listings:
This plant is on the Washington State quarantine list. It is prohibited to transport, buy, sell, offer for sale, or distribute plants or plant parts of quarantined species into or within the state of Washington or to sell, offer for sale, or distribute seed packets of seed, flower seed blends, or wildflower mixes of quarantined species into or within the state of Washington. Please see WAC 16-752 for more information on the quarantine list. For questions about the quarantine list, contact the Washington State Department of Agriculture's Plant Services Program at (360) 902-1874 or email PlantServices@agr.wa.gov.
Why Is It a Noxious Weed?
How would I identify it?
General Description
This is an annual aq
Flower Description
Small, 3 triangular to egg shaped petals are white to blue to pink. They grow on short stems on the ends of the plant
Leaf description
The leaves grow alternately along the stem, are fairly succulent, and are lightly curved to sword shaped. The base of the leaves fully enclose the stem.
Stem description
the stem makes small changes in direction where each leaf grows
Fruit Seed Description
small capsules with very small seeds inside
Where does it grow?
Relatively still water, wetlands, ponds, and stream edges
How Does it Reproduce?
Seeds and vegetatively
How Do I Control It?
Herbicide is the only adviseable method, due to how small the seeds are and how easily the plant's stems break off to reproduce vegetatively. However, there are many regulations around use of herbicide in aquatic areas. It is best to reach out to your local county weed board and the Washington Department of Ecology to get information or assistance.
For More Information
BugwoodWiki information on mudmat
Additional Photos
