MOUNTAIN EVENING-PRIMROSE
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| File Size: 109 KB |
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Oenothera latifolia (Rydb. ) Munz
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| [=Oenothera pallida Dougl. & Lindl.] |
| Kearney County, Kansas (photo by Marion McGlohon) |
| Perennial |
| Height: 4-20 inches |
| Family: Onagraceae - Evening-primrose Family |
| Flowering Period: June, July, August, September |
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| Also Called: | | Pale evening-primrose. | | Stems: | | 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. | | Inflorescences: | | Axillary, flowers solitary. | | Flowers: | | 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. | | Fruits: | | 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. | | Habitat: | | Sand and sandsage prairies, sandy mixed-grass prairies and flood plains. | | Distribution: | | West half of Kansas and Cowley County | | Origin: | | Native | | Comments: | | Oenothera, a name used by Theophrastus for a species of Epilobium and latifolia, broad and leaf. |
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| Mountain evening-primrose |  | | 98 KB | | Kearney County, Kansas (photo by Marion McGlohon) |
| | Mountain evening-primrose |  | | 170 KB | | Kearney County, Kansas (photo by Marion McGlohon) |
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