Amsonia longiflora
(Tubular Bluestar)
Amsonia longiflora, Camino Viejo Trail, Big Bend Ranch State Park 5232
Amsonia longiflora, Camino Viejo Trail, Big Bend Ranch State Park 5221
Amsonia longiflora, Agua Fria Rd, Brewster Co. 1294/1305
Amsonia longiflora, Agua Fria Rd, Brewster Co. 1283
Amsonia longiflora, Agua Fria Rd, Brewster Co. 1377
| Scientific Name | Amsonia longiflora | USDA PLANTS Symbol | AMLO |
| Common Name | Tubular Bluestar | ITIS Taxonomic Serial No. | 30141 |
| Family | Apocynaceae (Dogbane) | SEINet Reference |
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| Description | Habitat: Limey soils in open areas and clay soils; washes, ravines, slopes of the Trans-Pecos and Central Texas. Plant: Erect perennial 8 to 24 inches tall, multiple smooth stems from woody base. Leaves: Alternate, smooth, linear-lanceolate to filiform, 3/4 to 2 inches long. Inflorescence: Pale blue, rarely white, flowers about one inch across in terminal clusters with a narrow long tube 1 to 1-1/2 inches long opening into 5 petal-like lobes in a star shape; slender corolla tube is constricted at its opening. Bloom Period: March to May. References: Shinners & Mahler’s Illustrated Flora of North Central Texas, and "Manual of 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 2024