Mountain evening-primrose

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Mountain evening-primrose

Mountain evening-primrose

Mountain evening-primrose

Morphology

Stem

Erect to decumbent or spreading, branched below and above, glabrate or strigose-canescent; epidermis white or greenish white, exfoliating.

Leaves

Cauline, alternate, sessile or short-petiolate; blades ovate to oblong-lanceolate, lanceolate, or elliptic, 2/5 to 3 inches long, 1/8 to 1/2 inch wide, margins nearly entire to remotely dentate or deeply sinuate-dentate to sinuate or pinnately lobed, glabrate or strigose.

Inflorescence

Axillary, flowers solitary.

Flower

Radially symmetric; hypanthium 3/5 to 1.6 inch, glabrous to finely strigose; sepals 4, deciduous, absent on fruit, reflexed, lanceolate, 2/5 to 1.2 inch, distinct at flowering; petals 4, white, fading pink, obovate, 2/5 to 1.6 inch, tip rounded; stamens 8, anthers 1/5 to 2/5 inch; stigma positioned above anthers, deeply 4-lobed, lobes .25 to .28 inch.

Fruit

Radially symmetric; hypanthium 3/5 to 1.6 inch, glabrous to finely strigose; sepals 4, deciduous, absent on fruit, reflexed, lanceolate, 2/5 to 1.2 inch, distinct at flowering; petals 4, white, fading pink, obovate, 2/5 to 1.6 inch, tip rounded; stamens 8, anthers 1/5 to 2/5 inch; stigma positioned above anthers, deeply 4-lobed, lobes .25 to .28 inch.

Ecology

Habitat

Sand and sandsage prairies, sandy mixed-grass prairies and flood plains.

Distribution

West half of Kansas and Cowley County

Additional Notes

Synonyms

Alternative scientific names that have been used for this plant.