Texas Wildbuds

Perityle vaseyi

(Margined Rockdaisy)

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Perityle vaseyi, River Road West, Big Bend National Park 2352

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Perityle vaseyi, Cattail Falls Trail, Big Bend National Park 0825

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Perityle vaseyi, Cattail Falls Trail, Big Bend National Park 0830

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Perityle vaseyi, River Road West, Big Bend National Park 2356

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Perityle vaseyi, Cattail Falls Trail, Big Bend National Park 0828

Scientific Name Perityle vaseyi USDA PLANTS Symbol PEVA
Common Name Margined Rockdaisy ITIS Taxonomic Serial No. 38227
Family Asteraceae (Sunflower) SEINet
Reference		 Click Here
Description Habitat: Dry, desert soils, especially gypsum clays; along trails, roadsides disturbed areas and slopes.
Plant: Perennial clump up 20 inches tall; multiple erect or spreading, branched stems with short, glandular hairs.
Leaves: Palmately three-lobed blades up to 1-3/8 inches long and 2 inches wide, each lobe usually again three-parted or lobed; surfaces are hairy; on petioles 3/8 to 1-3/8 inches long; clustered at the base and most of the way along the stems.
Inflorescence: One to three yellow composite flowerheads 3/4-inch across with 12 to 18 rays, each with three shallow lobes at tips; 50 to 100 disk florets; bell-shaped or hemispherical involucre with 20 to 30 oblanceolate or lanceolate to linear-lanceolatephyllaries 1/4-inch long.
Bloom Period: February to November.
References: "Wildflowers of Texas" by Geyata Ajilvsgi, "Little Big Bend" by Roy Morey, Flora of North America and American Southwest		 BONAP Distribution Map

Map Color Key		 Texas Status:
Native

In Texas, found only the Big Bend area
Back to Yellow/Orange Flowers

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2026

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