Trixis californica

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Scientific Name Trixis californica USDA PLANTS Symbol
Common Name American Threefold ITIS Taxonomic Serial No.
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Dry, gravelly soils, rocky areas.
Plant: Perennial shrub up to 3 feet tall and wide.
Leaves: Lanceolate leaves up to 2 inches long, somewhat toothed on edges.
Inflorescence: Rayless flower heads are 3/4-inch across; each floret has two asymmetrical lips with one larger than the other, each with small teeth at ends; brush-like seed heads.
Bloom Period: May to October (following rains).
References: Vascular Plants of the Gila Wilderness and "Manual of the Vascular Plants of Texas" by Correll and Johnston.
Texas Status

The first photo was taken along River Road near Sierra de Chino, Big Bend National Park. The next two were taken along Black Gap Road in Big Bend.

© Tom Lebsack 2019