Xylorhiza wrightii
(Terlingua Aster)
Xylorhiza wrightii, Buena Suerta Trail, Big Bend Ranch State Park 4921
Xylorhiza wrightii, Buena Suerta Trail, Big Bend Ranch State Park 4891
Xylorhiza wrightii, Buena Suerta Trail, Big Bend Ranch State Park 4900
Xylorhiza wrightii, Buena Suerta Trail, Big Bend Ranch State Park 4905
| Scientific Name | Xylorhiza wrightii (Machaeranthera wrightii) | USDA PLANTS Symbol | XYWR |
| Common Name | Terlingua Aster, Big Bend Woodyaster | ITIS Taxonomic Serial No. | 38702 |
| Family | Asteraceae (Sunflower) | Flora of North America Ref. | Click Here |
| Description | Habitat: Desert environment; rocky-clay soil, alkaline, gypsum or limestone flats, shaly slopes, rocky hills, barren areas. Plant: Upright perennial, 4 to 16 inches tall; branched in lower portion; stems densely covered by small, forked, glandular hairs. Leaves: Alternate, stalkless, spatulate to obovate or oblong blades 3/4 to 2 inches long and up to 3/4-inch wide; margins nearly entire or with a few teeth; upper surface with short, glandular hairs; fewer and smaller upper leaves. Inflorescence: Solitary flower heads up to 2-1/2 inches across and 1-1/2-inches long on peduncles up to 4 inches long; narrow, somewhat recurved, pointed phyllaries with sticky hairs; 16 to 40 pink to bluish-violet rays and many yellow disk florets. Bloom Period: March to May. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Geyata Ajilvsgi, Flora of North America and American Southwest. Notes: Somewhat rare; endemic to just a few counties in Far West Texas. |
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 2024