Trifolium willdenovii, Tomcat Clover
Scientific Name: Trifolium willdenovii
Common Name: Tomcat Clover
Family: Fabaceae or Leguminosae Family
Synonyms: (Trifolium tridentatum, Trifolium tridentatum var. aciculare)
Size: Up to 8 inches more or less.
Growth Form: Forb/herb; erect, or spreading, more slender and smaller here, more robust in northern climates with increased moisture, glabrous.
Leaves: Green; compound, leaflets mostly linear, toothed.
Flower Color: Purple, purple-pink; head-like flowers small but showy, fruit a legume, 1 or 2 seeds.
Flowering Season: April to June, blooms earlier (April) in the southern part of the state.
Elevation: Below 5,000 feet.
Habitat Preferences: More common in northern elevations, disturbed areas with moisture.
Recorded Range: In North America, Tomcat Clover is found in the west, primarily the coastal states and in Arizona and Idaho; AZ, CA, ID, OR, TX, WA and British Columbia, Canada. In Arizona it is found in the central and southern parts of the state. They are also native to Baja California, Mexico and south to South America.
North America & US County Distribution Map for Trifolium willdenovii.
U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: In North America Trifolium willdenovii has the following wetland designations;
Arid West, FACW; Western Mountains, Valleys and Coast, FACU
FACW, Facultative Wetland, usually occur in wetlands, but may occur in non-wetlands
FACU, Facultative Upland, usually occur in non-wetlands, but may occur in wetlands.
Threatened/Endangered Information: No information available.
Comments: The specimen in the photo above was taken April 06, 2011 (about 3,500 feet) near Sycamore Creek west of Mount Ord, Tonto National Forest, Arizona.