Perityle tenella is an uncommon species, of conservation concern, found in rocky places near the Arizona/Nevada/Utah border; Zion National Park is one such location, hence the common name of Springdale rockdaisy. It is also quite common in the Beaver Dam Mountains of northwestern Arizona.
Leaves and stems have a moderate to dense covering of short, non-glandular hairs. The rayless flowerheads may be single but are usually in small clusters, of up to ten. Peduncles are around one inch in length. Phyllaries, 13 to 20, are in one series; they are linear in shape, pointed at the tip, and also short hairy. The yellow disc florets number from 23 to 35, occasionally more.
Common names:
Springdale rockdaisy, Dixie rockdaisy
Family:
Scientific name:
Perityle tenella
Main flower color:
Range:
Southeast Nevada, southwest Utah and northwest Arizona
Height:
Up to 2 feet
Habitat:
Cliffs, crevices and other rocky places, on sandstone and limestone; up to 8,500 feet
Leaves:
Ovate to triangular, lined by a few large, sharp teeth, covered by short hairs. Around 0.8 inches long, attached by stalks of a quarter of an inch
Season:
July to November
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