Kallstroemia grandiflora
(Arizona Poppy)
Kallstroemia grandiflora, Castolon area, Big Bend National Park 0257
Kallstroemia grandiflora, Cerro Castelan, Big Bend National Park 1622
Kallstroemia grandiflora, Cerro Castelan, Big Bend National Park 1563
Kallstroemia grandiflora, Castolon area, Big Bend National Park 0239
Kallstroemia grandiflora, Castolon area, Big Bend National Park 0216
Kallstroemia grandiflora, Cerro Castelan, Big Bend National Park 1625
| Scientific Name | Kallstroemia grandiflora | USDA PLANTS Symbol | KAGR |
| Common Name | Arizona Poppy, Orange Caltrop | ITIS Taxonomic Serial No. | 29044 |
| Family | Zygophyllaceae (Caltrop) | SEINet Reference |
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| Description | Habitat: Desert environments; flat areas with gravelly or sandy soils; below 5,000 ft. Plant: Annual with decumbent to ascending stems 4 to 40 inches long in spreading clumps 2 to 5 feet across in favorable environments; stems densely covered with hairs. Leaves: Pinnately-compound, 5/8 to 2-3/4 inches long with 4 to 8 pairs of elliptic leaflets, 1/3 to 1 inch long, on each side of the midrib, somewhat hairy. Inflorescence: Deep dark orange flowers fading to yellow during the day, up to 2-1/2 inches across, with 5 petals, 5 sepals and 10 stamens with yellow anthers; on peduncles 1 to 4 inches long. Bloom Period: May to November. References: Lady Bird Johnson Wildflower Center, Flora of North America, SEINet, and "Manual of the 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