Calylophus berlandieri

 

Berlandier's sundrops , Square-bud primrose, Sundrops

 

Onagraceae (Evening-Primrose Family)

 

Description - Deciduous perennial herbaceous plant with showy, yellow flowers that are 2 in. across with four, broad, crinkled petals. This is a bushy, 4-20 in. plant that sometimes becomes woody near the base. Its leaves are narrow and spiny-toothed. Height 1-2 ft. Bloom Time: March – September.

 

Use - Excellent rock garden plant. Named for French-Swiss physician Jean Louis Berlandier (1805-1851) who collected plants in Texas and northern Mexico.

 

Native Habitat And Distribution - USA:CO , KS , LA , NM , OK , TX

 

S.w. KS through e. NM,OK & TX to n. Mex.; also Gulf states to AL

: Plains; woodland edges; roadsides.

 

Growing Conditions - Sun , part shade, drought and heat tolerant with low water requirements. Sandy or rocky soils. Moderate deer resistance.

 

Propagation - Propagation by seed is most successful if sown in fall. Take cuttings on new growth in early spring, sometimes in January.