Grindelia squarrosa var. nuda
(Curlycup Gumweed)
Grindelia squarrosa var. nuda, Pace Bend Park, Travis Co. 0951
Grindelia squarrosa var. nuda, Goodwater Trail, Lake Georgetown, Williamson Co. 1079
Grindelia squarrosa var. nuda, Goodwater Trail, Lake Georgetown, Williamson Co. 00174
Grindelia squarrosa var. nuda, Goodwater Trail, Lake Georgetown, Williamson Co. 1078
Grindelia squarrosa var. nuda, Goodwater Trail, Lake Georgetown, Williamson Co. 00169
Grindelia squarrosa var. nuda, Pace Bend Park, Travis Co. 0962
| Scientific Name | Grindelia squarrosa var. nuda | USDA PLANTS Symbol | GRSQN |
| Common Name | Curlycup Gumweed | ITIS Taxonomic Serial No. | 535925 |
| Family | Asteraceae (Sunflower) | Flora of North America Ref. | Click Here |
| Description | Habitat: Calcareous and sandy soils, clays; disturbed sites, plains, hills, roadsides, along streams. Plant: Erect annual 16 to 40 inches tall. Leaves: Alternate, somewhat clasping, oblong to oblanceolate, 1 to 2-3/4 inches long; light-green to green, toothed edges and gland-dotted surfaces. Inflorescence: Composite gummy-sticky flower heads, very prominent recurved phyllaries below, many disk florets and no rays. Bloom Period: July to October. References: SEINet, Missouriplants.com, and "Manual of the Vascular Plants of Texas" by Correll and Johnston. Note: The more common relative G. squarrosa var. squarrosa is widely distributed in the rest of the US and has 25 to 40 yellow rays. |
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