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Oenothera speciosa - pinkladies

Scientific Family
Onagraceae
Synonyms
Hartmannia speciose, Oenothera delessertiana, Oenothera speciosa
Other common names
Showy primrose
Mexican evening primrose
showy evening primrose
showy evening primrose
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Perennial
Height
4 to 24 inches
Riparian
No

Nodding buds and the white to pink flower petals 1 to 1-1/2 inches long help identify this species. Propagates primarily through rhizomes.

Rhizomatous. Long united white to pink petals, free at tips, 1 to 1-1/2 inches long, few to several in upper leaf axils, nodding in bud on reflexed stems; stigma 4 narrow lobed, white to pink flowers; seed capsule club-shaped, strongly 8-ribbed.

Habitat

Dry, open places, roadsides and fields.

Plant Community
Desert Scrub
Disturbed Areas
Low elevation
3100
High elevation
3600

Flower Characteristics

Heart-shaped pink veined petals gradually go from pink edges to white centers. Cup-shaped flowers 1 to 2 inches in diameter with short straight hairs beneath. Nodding buds open in late afternoon.

Flower color
White to pink
Flower shape
Regular
Tubular
No
First bloom month
May
Last bloom month
June
Flower clusters
None

Leaf and Stem Characteristics

Narrow leaves pointed at both ends, attached close to the stem, occasionally wavy-margined, sometimes toothed and sometimes divided. Non-woody, branching stems with short soft hairs; short-stemmed to without stems.

Leaf type
Simple
Leaf color
Green
Leaf shape
Narrow
Leaf margin
Toothed
Leaf attachment
Alternate
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No

Fruit and Seed Characteristics

Capsules club-shaped, strongly 8-ribbed, the main body 1/8 to 1/4 inch thick and tapering to a slender base; upper face of each valve with a prominent rib.

Fruit type
Capsule

Seeds egg-shaped to tapering to a point at each end; clustered in 2 or more rows in each cell.