English:

The plant species: Texas Paintbrush, Castilleja indivisa.
This species is common in Texas and typically has shallowly 0(–5)-lobed leaves and bracts. A few of the images in this series show a few deeply lobed bracts but with 3 lobes only, so this still is within the variability of Castilleja indivisa, especially when seen along with the other plants of the same population. – Eastern Paintbrush, Castilleja coccinea on the other hand is rare in Texas and has deeply (3–)5–9-lobed leaves and bracts.
Weakley, A. S. 2020. Flora of the southeastern United States: Texas. University of North Carolina Herbarium, North Carolina Botanical Garden. p. 683 (download page)

Location: Information by the photographer: “wildflower Inkslake Texas State Park 2019 YP”.
This refers to Inks Lake State Park in Burnet County, Texas.
Image series: Some 13 images form a series:
habitat views: #15, #17 (with Lupinus texensis), #18 (with Lupinus texensis),
closer views: #02 (with Lupinus texensis), #23,
close-up images: #05 (with an unidentified plant), #19, #20, #21, #27, #28, #35, #37.