Texas
Wildbuds

Castilleja indivisa

(Texas Paintbrush)

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Castilleja indivisa, Bastrop State Park, Bastrop Co. 3786/3799

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Castilleja indivisa, Inks Lake State Park, Burnet Co. 2368

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Castilleja indivisa, Reimer’s Ranch Park, Travis Co. 0553

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Castilleja indivisa, Washington-on-the-Brazos State Park, Washington Co. 2612

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Castilleja indivisa, Washington-on-the-Brazos State Park, Washington Co. 2597

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Castilleja indivisa, Lake Whitney State Park, Hill Co. 7995

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Castilleja indivisa, near Round Top, Washington Co. 1989

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Castilleja indivisa, near Washington-on-the-Brazos, Washington Co. 2594

Scientific Name Castilleja indivisa USDA PLANTS Symbol CAIN13
Common Name Texas Paintbrush, Indian Paintbrush ITIS Taxonomic Serial No. 33064
Family Orobanchaceae (Broomrape) SEINet
Reference
Click Here
Description Habitat: Sandy or calcareous soils of open areas, prairies and roadsides; generally from Central Texas east.
Plant: Erect, clump-forming annual 8-18 inches tall with unbranched, hairy stems.
Leaves: Alternate, stalkless, linear to lanceolate, usually with entire margins or sometimes lobed near base; 1 to 4 inches long.
Inflorescence: Showy, comprising inconspicuous greenish-white tubular flowers with a corolla about 1 inch long and protruding style and stigma, surrounded by a colorful lobed calyx, usually red, but can be light yellow or rarely white; one rhombic to broadly oblanceolate, leaf-like, brightly-colored bract below; a few to several flower and bract combinations arranged in showy terminal spikes 3 to 8 inches long.
Bloom Period: March to May.
References: "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Wildflowers of Texas" by Geyata Ajilvsgi and the Wildflower Center.
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