Platyschkuhria integrifolia var. desertorum

(Basin Daisy)

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Platyschkuhria integrifolia var. desertorum, FR 503, Uncompahgre Plateau, Montrose Co. 2959

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Platyschkuhria integrifolia var. desertorum, FR 503, Uncompahgre Plateau, Montrose Co. 2974

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Platyschkuhria integrifolia var. desertorum, FR 503, Uncompahgre Plateau, Montrose Co. 2965

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Platyschkuhria integrifolia var. desertorum, FR 503, Uncompahgre Plateau, Montrose Co. 2968

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Platyschkuhria integrifolia var. desertorum, FR 503, Uncompahgre Plateau, Montrose Co. 2967

Scientific Name Platyschkuhria integrifolia var. desertorum USDA PLANTS Symbol PLIND
Common Name Basin Daisy ITIS Taxonomic Serial No. 529751
Family Asteraceae (Sunflower) SEINet
Reference
Click here and here
Description Life zones and habitat: Semi-desert and mesas (4200 to 6800 ft); open, dry hillsides.
Plant: Upright perennial 4 to 16 inches tall; single stem with short, erect hairs, somewhat glandular above.
Leaves: Crowded at the base and mostly at the bottom portion of the stem, grayish, thick, alternate, petiolate, oblong, elliptic to lanceolate with entire margins and gland-dotted and rough surfaces; 3/4 to 2-3/4 inches long and 1/4 to 1-3/8 inches wide; upper stem leaves few, smaller, sessile and not extending to the top of the stem.
Inflorescence: Single or loose clusters, terminal composite flowerheads ~1 to 1-1/2 inches across; peduncles with short, erect hairs, somewhat glandular; 8 to 20 yellow ray flowers that are wider towards the tip with ~3 lobes at the tips; 39 to 82 yellow disk flowers; involucre is hemispherical and the hairy phyllaries have obtuse to pointed tips.
Bloom Period: May to July.
References: "Flora of Colorado" by Jennifer Ackerfield, "Uinta Basin Flora" by Goodrich and Neese, "North American Flora" by Per Axl Rydberg and American Southwest.
BONAP Distribution Map

Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County