Texas Wildbuds
Teucrium coahuilanum
(Coahuila Germander)
Teucrium coahuilanum, Pinnacles Trail, Chisos Basin, Big Bend National Park 6773
Teucrium coahuilanum, Pinnacles Trail, Chisos Basin, Big Bend National Park 6777
Teucrium coahuilanum, Pinnacles Trail, Chisos Basin, Big Bend National Park 6793
Teucrium coahuilanum, Pinnacles Trail, Chisos Basin, Big Bend National Park 6793
| Scientific Name | Teucrium coahuilanum (Teucrium cubense var. laevigatum, Teucrium cubense ssp. laevigatum) |
USDA PLANTS Symbol | TECUL2 |
| Common Name | Coahuila Germander | ITIS Taxonomic Serial No. | 832932 |
| Family | Lamiaceae (Mint) | SEINet Reference |
var. laevigatum and ssp. laevigatum |
| Description | Habitat: Desert canyons and wooded slopes; in Texas, in the Chisos Mountains. Plant: Upright annual or perennial with several stems from base, 6 to 28 inches tall, unbranched, smooth. Leaves: Opposite 1/2 to 2 inches long with 2 to 5 deep lobes cut almost through the leaf; segments are linear; edges flat or rolled to the underside; surfaces often gland-dotted, not hairy. Inflorescence: Small flowers with white petals with purple streaks 1/2 to 3/4-inch long, rising from leaf axils along the stem; petals united at base forming two lips; upper lip deeply cut into two lobes; lower lip with 3 lobes, center lobe long and broad; hairy throat; 4 arching, protruding stamens; each blossom subtended by a bell-shaped calyx with 5 lobes. Bloom Period: July to November. References: "Flowering Plants of the Trans-Pecos Texas and Adjacent Areas" by Powell, Worthington and Powell and iNaturalist; T. cubense ssp. laevigatum in "Manual of the Vascular Plants of Texas" by Correll and Johnston. | BONAP Distribution Map Map Color Key |
Texas Status: Native |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2025