Phlox glabriflora ssp. littoralis
(Rio Grande Phlox)
Phlox glabriflora ssp. littoralis, Aransas National Wildlife Refuge, Calhoun Co. 4830
Phlox glabriflora ssp. littoralis, Aransas National Wildlife Refuge, Calhoun Co. 4825
Phlox glabriflora ssp. littoralis, Aransas National Wildlife Refuge, Calhoun Co. 4852
Phlox glabriflora ssp. littoralis, Aransas National Wildlife Refuge, Calhoun Co. 4843
Phlox glabriflora ssp. littoralis, Aransas National Wildlife Refuge, Calhoun Co. 4831
Phlox glabriflora ssp. littoralis, Goose Island State Park, Aransas Co. 5234
| Scientific Name | Phlox glabriflora ssp. littoralis (Phlox littoralis) | USDA PLANTS Symbol | PHGLL |
| Common Name | Rio Grande Phlox | ITIS Taxonomic Serial No. | 524479 |
| Family | Polemoniaceae (Phlox) | SEINet Reference |
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| Description | Habitat: Sandy, open areas, grasslands, prairies, beaches, roadsides and open woodlands; native to coastal Texas. Plant: Low growing annual with numerous slender, hairy, spreading branches, often purplish, 6 to 10 inches long. Leaves: Lower leaves are opposite, linear-lanceolate up to 2 inches long and 0.2 inches wide; upper leaves alternate, slightly broader, sessile with rounded bases, 0.6 to 0.9 inches long and up to nearly 0.3 inches wide. Inflorescence: Loose clusters of 2 to 4 pink to light-purple flowers up to 1-1/2 inches across with 5 petals; corolla has deep rose or purple center, and the corolla tube is hairy; narrow, pointed, hairy calyx lobes below come to sharp points. Bloom Period: Spring. References: "Manual of the Vascular Plants of Texas" by Corell and Johnston, "Wildflowers of Texas" by Michael Eason, and P. littoralis in "Annual Phlox Species" by Eula Whitehouse. |
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