Trans-pecos Senna (Senna pilosior)
Description: The Trans-Pecos Senna grows only in Big Bend National Park. The plant thrives in a desert habitat, and prefers gravelly soil. The low-growing perennial (less than one-foot tall) produces vibrant yellow flowers with 5 petals, brown veins, and light brown stamens. The stems are covered with fine hairs.
Family: Fabaceae
Synonym(s): Cassia pilosior
USDA Symbol: SEPI3
Duration: Perennial
Habit: Herb
Size Class: 0-1 ft.
Bloom Color: Yellow
Bloom Time: Mar, Apr, May
Water Use: Low
Light Requirements: Part Sun
Soil Moisture: Moist
Bloom Notes: Special Value to Bumble Bees
ATTRIBUTION: All of the Texas Wildflower images in this post are copyrighted and are the exclusive property of Terry B. Kahler. Reproduction without explicit written consent is prohibited. Some of the information contained in this section was taken from the Lady Bird Johnson Wildflower Center website and is being used under their terms of use. Redistribution from this site is prohibited. Additional information contained in this section was taken from the USDA website including the USDA code.