Serrate-leaf evening primrose
Also known as: Plains yellow primrose
Images
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Morphology
- Stem
- 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.
- Inflorescence
- Solitary flowers, in axils of upper leaves.
- Flower
- 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.
- Fruit
- Capsules, linear-cylindric, 1/2 to 1 inch long, 4-angled, thick-walled, slightly grooved, silvery-hairy; seeds many, small, brown.
Ecology
- Habitat
- Dry rocky, gravelly, or sandy prairies, hillsides, roadsides, and open woods.
- Distribution
- Throughout Kansas.
Practical Information
- Forage Value
- Serrate-leaf evening primrose is palatable and nutritious to livestock, particularly the new growth. It decreases on overgrazed rangeland.
Additional Notes
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.
Synonyms
Alternative scientific names that have been used for this plant.
Scientific Name: Calylophus serrulatus
Full Citation: Calylophus serrulatus Raven
Quick Facts
- Plant Type
- Wildflower
- Family
- Onagraceae - Evening Primrose Family
- Life Span
- Perennial
- Height
- 6-30 inches
- Last Updated
- 2021-08-27
Color Groups
Yellow Wildflowers
Flowering Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Blooms: May, June, July, August