Oenothera villosa Thunb.
Family: Onagraceae
hairy evening primrose,  more...
[Oenothera villosa var. villosa ]
Oenothera villosa image
Max Licher  
Jepson 2012, Kearney and Peebles 1969, McDougal 1973
Duration: Perennial Nativity: Native Lifeform: Forb/Herb General: Herbaceous biennials or perennials to 2 m tall, stems solitary or branching from the base, herbage minutely strigose and also glandular (especially in the inflorescence) with long, spreading hairs, generally with red, blister-like bases, plants with fleshy taproots. Leaves: Alternate, sessile, in basal rosettes, lanceolate to elliptic, 10-30 cm long, margins entire to minutely dentate. Flowers: Yellow fading pale orange, large and showy with 4 notched petals with rounded lobes petals 7-20 mm long, sepals often reddish, the free tips in bud 0.5-2.5 mm long, hypanthium 25-40 mm long, flowers borne in open, few-flowered spikes, the internodes enlarging in fruit (usually becoming larger than the fruits). Fruits: Narrowly cylindrical, loculicidal capsules, 20-35 mm long and 4-7 mm wide. Seeds 1-2 mm long, with angled edges and irregularly pitted surfaces. Ecology: Found in moist openings in the forest, from 1,500-7,000 ft (457-2134 m); flowering June-August. Distribution: Arizona, Colorado, New Mexico. Synonyms: None Editor: LCrumbacher2012