Oenothera villosa ssp. strigosa

Click on the images below to see larger versions.

Scientific Name Oenothera villosa ssp. strigosa USDA PLANTS Symbol OEVIS
Common Name Hairy Evening Primrose, Common Evening Primrose ITIS Taxonomic Serial No. 524368
Family Onagraceae (Evening Primrose) SEINet
Reference
Click Here
Description Life zones and habitat: Plains to montane (4800 to 9500 ft.); dry shrubland, roadsides and disturbed areas.
Plant: Erect biennial or short-lived perennial 1 to 5 feet tall; basal rosette forms in first year, erect, stiff stem develops in second.
Leaves: Stem leaves lanceolate to elliptic, alternate, hairy with wavy, toothed edges, 4 to 12 inches long and 1/2 to 1-1/2 inches wide.
Inflorescence: Spike of a few erect flower buds atop a 1 to 1-1/2 inch long calyx tube with large hairy bract or leaf below each; yellow blossom 1 to 1-1/2 inches across, opening in the evening.
Bloom Period: June to September.
Fruit: Narrowly lanceolate-cylindrical, hairy capsules, 3/4 to 1-3/8 inches long and less than 1/4-inch wide.
References: "Flora of Colorado" by Jennifer Ackerfield, SEINet and E-Flora BC.
BONAP Distribution Map

Colorado Status:
Native




© Tom Lebsack 2020