Cryptantha thyrsiflora

(Calcareous Cryptantha)

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Cryptantha thyrsiflora, Pawnee Buttes, Weld Co. 7778

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Cryptantha thyrsiflora, Pawnee Buttes, Weld Co. 7780

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Cryptantha thyrsiflora, Pawnee Buttes, Weld Co. 7797

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Cryptantha thyrsiflora, Pawnee Buttes, Weld Co. 7783

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Cryptantha thyrsiflora, Pawnee Buttes, Weld Co. 7791

Scientific Name Cryptantha thyrsiflora (Oreocarya thyrsiflora) USDA PLANTS Symbol CRMI5
Common Name Calcareous Cryptantha, Calcareous Catseye ITIS Taxonomic Serial No. 31879
Family Boraginaceae (Forget-me-not) SEINet
Reference
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Description Life zones and habitat: Plains to montane (3800 to 9600 ft.); dry, caliche (calcareous) or rocky soils; pastures, outcrops, bluffs and roadsides.
Plant: Bushy, bristly-hairy perennial with multiple stems, 8 to 16 inches tall.
Leaves: Oblanceolate, 1-5/8 to 4 inches long and 1/4 to 5/8-inch wide; hairy surfaces.
Inflorescence: A compact, erect cluster (thyrse) with many small white blossoms; flowers are five-lobed, less than 1/3-inch across with yellow centers (fornices); sepals covered with thick, white or transluscent bristles.
Bloom Period: May to July.
References: "Flora of Colorado" by Jennifer Ackerfield and Eastern Colorado Wildflowers.
BONAP Distribution Map


Oreocarya thyrsiflora
Colorado Status:
Native

© Tom Lebsack 2022

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