Click on image for full screen view.

Asteraceae (Compositae)

American trixis grows in the Trans-Pecos on desert mountains and canyons to about 4500 feet, and ranges also into Mexico and California. It has rigid leaves and weak stems which are woody at the base. It usually flowers following rains. Trixis means threefold and refers to the 3-toothed lower lip of the corolla.

Plant Habit or Use: small shrub

Exposure: sun

Flower Color: yellow

Blooming Period: spring
summer

Fruit Characteristics: achene

Height: 3 feet

Width: 1 to 2 feet

Plant Character:

Heat Tolerance: high

Water Requirements:

Soil Requirements: neutral
alkaline

USDA Hardiness Zone: 9

Additional Comments: