Northern Prairie Wildlife Research Center


Home	About NPWRC	Our Science	Staff	Employment	Contacts	Common Questions	About the Site

Western Wetland Flora

Field Office Guide to Plant Species

Primrose Monkey-flower
Mimulus primuloides Benth.

JPG -- Species Photo JPG -- Distribution Map

Family: Figwort (Scrophulariaceae)
Flowering: June-August
Field Marks: This dwarf, yellow-flowered species has its small flowers borne on leafless stems.
Habitat: Wet meadows, along streams.
Habit: Perennial herb with short rhizomes and slender stolons.
Stems: Upright, bearing only a solitary flower on a stalk up to 3 inches long, usually smooth.
Leaves: All clustered at the base of the plant, oblanceolate, up to 1 1/2 inches long, up to 1/2 inch wide, pointed at the tip, tapering to the base, shallowly toothed, hairy.
Flowers: Solitary at the tip of a slender stalk.
Sepals: 5, green, united below to form a tube 1/4-1/3 inch long and with reddish ribs, smooth, the lobes 1/12 inch long.
Petals: 5, yellow with reddish dots, united below to form a tube 1/3-1/2 inch long, the lobes notched.
Stamens: 4.
Pistils: Ovary superior.
Fruits: Capsules ovoid, pointed at the tip, 1/4-1/3 inch long, smooth.
Notes: The petals fall away shortly after the flowers open.

Previous Species -- Streamside Bluebells (Mertensia ciliata)
Return to Species List -- Group 8
Next Species -- Five-point Bishop's-cap (Mitella pentandra)

U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/florawe/species/8/mimuprim.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:28:05 EST
Reston, VA [vaww54]