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Bransford, W.D. and Dolphia
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 plants 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.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun , Jul , Aug , Sep
, WY Native Distribution:
& extreme s.w. SD,
s. to n. AZ
& n. & w. TX Native Habitat:
Dry, open, rocky slopes
Growing ConditionsLight 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.
Record Last Modified: 2007-01-01
Research By: TWC Staff