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Berlandier's sundrops
Scientific Name: Calylophus berlandieri ssp. pinifolius
Family: Onagraceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Perennial
Other Names:
Berlandier's Sundrops
Berlandier's sundrops, a charming perennial, brings a touch of sunshine to gardens with its vibrant yellow blooms. This plant, also known as Square-bud primrose or Texas Primrose, is prized for its extended blooming period and relatively low-maintenance nature.
Common Names
- Berlandier's sundrops
- Square-bud primrose
- Texas Primrose
- Beach evening primrose
- Drummond sundrops
- Yellow sundrops
Scientific Name and Taxonomy
- Accepted Scientific Name: Calylophus berlandieri Spach
- Family: Onagraceae (Evening-Primrose Family)
- Kingdom: Plantae
- Taxonomic Rank: Subspecies
- Subspecies Examples:
- Calylophus berlandieri ssp. berlandieri
- Calylophus berlandieri ssp. pinifolius (Engelm. ex A. Gray) Towner
- Synonym: Calylophus drummondianus var. berlandieri
- Alternative Scientific Name: Oenothera berlandieri
Distribution and Habitat
- Native to Texas and surrounding states.
- Specific locations mentioned include:
- Big Bend Ranch State Park, Texas
- Barton Creek Greenbelt, Austin
- New Mexico
- Oklahoma
- Simpson Prairie (50 acres within an 80-acre area)
Morphology and Growth Habits
- Bushy plant, typically growing to a height of 4-20 inches (approximately 1-2 feet).
- Showy, yellow flowers are approximately 2 inches across with broad, crinkled petals.
- Deciduous perennial with an herbaceous or subshrub growth habit.
- Blooms in the spring and autumn.
Cultivation
- Prefers full sun to part shade.
- Requires average to gritty, well-drained soil that is moist but not waterlogged.
- Tolerates high summer heat.
- Recommended spacing/spread is approximately 1 foot.
- Grows in Zones 6-10.