| |
SERRATE-LEAF EVENING PRIMROSE
|
 |
| File Size: 66 KB |
|
|
|
Calylophus serrulatus (Nutt. ) Raven
|
| Mitchell County, Kansas |
| Perennial |
| Height: 6-30 inches |
| Family: Onagraceae - Evening Primrose Family |
| Flowering Period: May, June, July, August |
|
| Also Called: | | Plains yellow primrose. | | Stems: | | Erect or decumbent, few to many, simple or branched from base, glabrous or hairy. | | Leaves: | | Alternate, simple, sessile, linear-oblong to narrowly lanceolate, 1/2 to 4 inches long, less than 1/2 inch wide, nearly glabrous or hairy above, gray-hairy below, often folded lengthwise; margins toothed or entire; tips pointed to rounded. | | Inflorescences: | | Solitary flowers, in axils of upper leaves. | | Flowers: | | 1-2 inches wide, floral tubes less than 3/5 inch long; sepals 4, distinctly keeled; petals 4, 1/4 to 3/4 inch long, about as wide, bright yellow, fading to pale yellow or pinkish; stamens 8; stigma disc-shaped, 4-lobed, extending nearly to tips of stamens. | | Fruits: | | Capsules, linear-cylindric, 1/2 to 1 inch long, 4-angled, thick-walled, slightly grooved, silvery-hairy; seeds many, small, brown. | | Habitat: | | Dry rocky, gravelly, or sandy prairies, hillsides, roadsides, and open woods. | | Distribution: | | Throughout Kansas. | | Forage Value: | | Serrate-leaf evening primrose is palatable and nutritious to livestock, particularly the new growth. It decreases on overgrazed rangeland. | | Comments: | | Serrate-leaf evening primrose is drought resistant. In addition to an extensive root system, the leaves fold in the midday sun, reducing water loss through their surfaces. |
|
| Serrate-leaf evening primrose sepals and leaves |  | | 85 KB | | Osborne County, Kansas |
| | Serrate-leaf evening primrose stamens and stigma |  | | 82 KB | | Russell County, Kansas |
| | Serrate-leaf evening primrose |  | | 107 KB | | Russell County, Kansas |
| |  | | 150 KB | | Mitchell County, Kansas |
| |
|
|
|
|
|
|
|
