Plant Image
Granite Mtn - Tr 308 - SS

Yavapai County Native & Naturalized Plants

Oenothera flava - yellow evening primrose

Plant Form: Forb

Family: Onagraceae

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Granite Mtn - Tr 308
Granite Mtn - Tr 308
Plant - summer
Granite Mtn - Tr 308
Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: A ground-hugging plant with bright green, scalloped leaves like dandelion greens and a very fragrant, 2 inch lemon-yellow flower that attracts hawk moths. The flower stems are up to 4 inches long.
Height: To 8 inches


Habitat Description: Damp, prairie swales; open, wooded areas; stream valleys.
Plant Communities: Interior Chaparral, Pinyon Juniper Woodland, Montane Conifer Forest, Riparian
Elevation: 2500 - 9000 feet

Flower Characteristics

Color: Yellow     Shape: Regular not in clusters     Tubular: N     Flowering Period: Apr - Aug
Description: The showy yellow flowers are up to 2 inches wide with four broad petals that turn pinkish with age. The flowers are solitary at the tips of flower stalks. They open in the evening.

Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Dissected     Leaf Attachment: Basal     Leaves Clasp: N
Hairs: Stems     Spines: N
Leaf Description: The bright green leaves are narrow to 12 inches long. The leaf margins are wavy to deeply dissected. The stems may be sparsely convered with minute, stiff hairs or be nearly hairless.

Fruit and Seed Characteristics

Fruit Color: Brown   
Fruit Type: Capsule
Fruit Notes: The capsule is sharply 4-angled, thick and hard.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 3.1  
Last Updated: June 15, 2013  
Content Questions/Comments: Email Jeff Schalau  
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