Croptilon rigidifolium
(Stiff-leaf Scratch-daisy)
Croptilon rigidifolium, Bastrop State Park, Bastrop Co. 1483
Croptilon rigidifolium, Bastrop State Park, Bastrop Co. 1472
Croptilon rigidifolium, Bastrop State Park, Bastrop Co. 1476
Croptilon rigidifolium, Bastrop State Park, Bastrop Co. 1475
Croptilon rigidifolium, Bastrop State Park, Bastrop Co. 1480
| Scientific Name | Croptilon rigidifolium (Croptilon divaricatum var. hirtellum) | USDA PLANTS Symbol | CRRI3 |
| Common Name | Stiff-leaf Scratch-daisy | ITIS Taxonomic Serial No. | 501798 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description | Habitat: Sandy soils in prairies, fields, pastures and roadsides. Plant: Annual with recining (decumbent) or erect stems, 8 inches to 5 ft long; stems are stiff and can be woody, often sticky and covered with short hairs. Leaves: Alternate, hairy stem leaves are oblanceolate, sometimes spatulate or lanceolate, sessile and stiff, pointing away from the stem; up to 1-1/4 inches long; margins are usually entire, sometimes serrate. Inflorescence: Composite flower heads on small branches scattered along the stem forming an a panicle-like array, each flower up to 3/4 inch across, with 5 to 29 yellow rays and 10 to 40 yellow disk florets in the center; nearly cylindrical involucre with linear phyllaries in a few-series. Bloom Period: Spring through fall. References: Croptilon divaricatum var. hirtellum in "Manual of the Vascular Plants of Texas" by Correll and Johnston; "Plants of Deep South Texas" by Richardson and King and Flora of North America. |
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