Perityle species [Asteraceae]

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Scientific Name Perityle parryi USDA PLANTS Symbol PEPA12
Common Name Heartleaf Rockdaisy, Parry's Rockdaisy ITIS Taxonomic Serial No. 38219
Family Asteraceae (Sunflower) SEINet
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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:
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:

In Texas, found only the Big Bend area

© Tom Lebsack 2023