Penstemon triflorus
(Scarlet Penstemon)
Penstemon triflorus, Wildflower Center, Austin, Travis Co. 7447
Penstemon triflorus, Wildflower Center, Austin, Travis Co. 8121
| Scientific Name | Penstemon triflorus | USDA PLANTS Symbol | PETR2 |
| Common Name | Scarlet Penstemon, Heller's Beardtongue | ITIS Taxonomic Serial No. | 34005 |
| Family | Plantaginaceae (Plantain) | Wildflower Center Ref. | Click Here |
| Description | Habitat: Dry calcareous soils in portions of Central Texas. Plant: Erect, slightly hairy perennial with multiple stems, 1 to 2 feet tall. Leaves: Dark green, glossy opposite stem leaves; lower leaves sessile, linear to lanceolate 2 to 3 inches long with toothed edges; upper leaves smaller and connate and with smoother edges. Inflorescence: Terminal racemes of tubular, two-lipped, 5-lobed pink-to-red flowers 1 to 1-1/4 inches long, with several lines on the lobes; staminode hairless. Bloom Period: April and May. References: "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Wildflowers of Texas" by Michael Eason and Southwest Desert Flora Note: Images taken at Lady Bird Johnson Wildflower Center; the plant is not native to Travis County. |
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