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Calylophus lavandulifolius (Lavendar-leaf sundrops)
Bransford, W.D. and Dolphia

Calylophus lavandulifolius

Calylophus lavandulifolius (Torr. & A. Gray) P.H. Raven

Lavendar-leaf Sundrops, Lavender-leaf Primrose, Lavenderleaf Sundrops

Onagraceae (Evening Primrose Family)

Synonym(s): Calylophus hartwegii ssp. lavandulifolius, Calylophus hartwegii var. lavandulifolius, Galpinsia lavandulifolia, Oenothera lavandulifolia, Oenothera lavandulifolia var. glandulosa, Oenothera lavandulifolia var. typica

USDA Symbol: cala38

USDA Native Status: L48 (N)

Lavender-leaf sundrops is a low, mound-forming perennial, 8 in. tall by 10 in. wide. Stems and leaves are grayish with a dense velvety pubescence. Spectacular in bloom, the plant’s 2-2 1/2 in. wide flowers are clear yellow, each with four, fringed petals.

Lavender-leaf Sundrops flowers in flushes every 4-5 weeks throughout its bloom period.


From the Image Gallery

16 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 0-1 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: May , Jun , Jul , Aug , Sep


USA: AZ , CO , KS , NE , NM , NV , OK , SD , TX , UT , WY
Native Distribution: S.e. WY & extreme s.w. SD, s. to n. AZ & n. & w. TX
Native Habitat: Dry, open, rocky slopes

Growing Conditions

Light Requirement: Sun
Soil Description: Gravelly, well-drained soil.
Conditions Comments: Lavender-leaf primrose will flower in flushes every 4-5 weeks throughout its entire bloom period. Little supplemental watering is necessary if new plants are established early in the season.

Additional resources

USDA: Find Calylophus lavandulifolius in USDA Plants
FNA: Find Calylophus lavandulifolius in the Flora of North America (if available)
Google: Search Google for Calylophus lavandulifolius


Record Modified: 2007-01-01
Research By: TWC Staff

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