>

Perityle species [Asteraceae]

Click on the images below to see larger versions.

Scientific Name Perityle parryi USDA PLANTS Symbol PEPA12
Common Name Heartleaf Rockdaisy, Parry's Rockdaisy ITIS Taxonomic Serial No. 38219
Family Asteraceae (Sunflower) SEINet
Reference
Click Here
Description Habitat: Rock crevices, igneous or limestone soils; 2300 to 6600 ft.
Plant: Upright or spreading perennial 4 to 30 inches tall; multiple branched stems.
Leaves: Stalked, cordate to subreniform green leaves with three shallow lobes and dull-toothed edges.
Inflorescence: Yellow composite flowerheads about 1/2-inch across with 12 to 18 rays; 60 to 100 disk florets.
Bloom Period: Year-around.
References: "Little Big Bend" by Roy Morey and Flora of North America.
BONAP Distribution Map

Texas Status:
Native
Scientific Name Perityle vaseyi USDA PLANTS Symbol PEVA
Common Name Margined Rockdaisy ITIS Taxonomic Serial No. 38227
Family Asteraceae (Sunflower) Flora of North America Ref. 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 branched stems with short, glandular hairs.
Leaves: Stalked, palmately three-lobed and hairy, clustered at the base and most of the way along the stems, up to 2-1/2 inches long.
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 disc florets.
Bloom Period: February to November.
References: "Wildflowers of Texas" by Geyata Ajilvsgi, "Little Big Bend" by Roy Morey and American Southwest
BONAP Distribution Map

Texas Status:
Native

In Texas, found only the Big Bend area

© Tom Lebsack 2022