Click on the images below to see larger versions.
| Scientific Name | Penstemon cobaea | USDA PLANTS Symbol | PECO4 |
| Common Name | Wild Foxglove | ITIS Taxonomic Serial No. | 33680 |
| Family | Plantaginaceae (Plantain) | Kansas Wildflowers Ref. | Click Here |
| Description |
Habitat: Limestone soils on prairies and rocky areas, and sandy soils in open woods. Plant: Erect, showy perennial 1 to 2-1/2 feet tall, single or multi-stemmed; covered with fine, dense pubescent hairs. Leaves: Shiny ovate to obovate, 2 to 3-1/2 inches long, with sharply-toothed edges; lower leaves with petioles, mid and upper leaves with small hairs and sessile. Inflorescence: White to light or deep lavender blossoms; corolla tube 1-1/2 to 2 inches long with two lips; upper lip 2-lobed, lower lip 3-lobed, lobes rounded and flaring; smooth inside with fine pubescent hairs outside; corolla throat has prominent purple-ish lines; 5 stamens (one unfertile staminode bearded with golden-yellow hairs). Bloom Period: April and May. References: "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Shinners & Mahler’s Flora of North Central Texas" by Diggs, Lipscomb and O’Kennon, and Kansas Wildflowers and Grasses. |
BONAP Distribution Map |
Texas Status: Native |
| Scientific Name | Penstemon havardii | USDA PLANTS Symbol | PEHA2 |
| Common Name | Big Bend Beardtongue, Havard Penstemon | ITIS Taxonomic Serial No. | 504215 |
| Family | Plantaginaceae (Plantain) | SEINet Reference |
Click Here |
| Description |
Habitat: Dry, gravelly drainages and canyon walls in higher elevations such as Chisos Basin in BBNP; endemic to Big Bend area and adjacent areas of Mexico. Plant: Erect, perennial to 3 to 4 feet tall, multiple, unbranched, grayish stems. Leaves: Thick and fleshy, spatulate, grayish lower leaves; light green ovate to lanceolate stem leaves, 1-1/2 to 3 inches long, sessile; up to 3 inches long and 1-1/2 inches wide. Inflorescence: Terminal racemes of tubular, two-lipped, bright red flowers, each about an inch long; upper lip 2-lobed extending beyond the lower, 3-lobed lip. Bloom Period: Summer and fall. References: "Little Big Bend" by Roy Morey and "Wildflowers of Texas" by Michael Eason. |
BONAP Distribution Map |
Texas Status: Native |
| 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 |
Texas Status: Native |
Click here for more Penstemon.
