Peritoma serrulata

(Rocky Mountain Beeplant)

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Peritoma serrulata, along CR 45, South of Doylesville, Saguache Co. 3135

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Peritoma serrulata, Great Sand Dunes NP 7833

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Peritoma serrulata, Great Sand Dunes NP 7842

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Peritoma serrulata, along CR 45, South of Doylesville, Saguache Co. 3143

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Peritoma serrulata, Pawnee Buttes, Weld Co. 7309

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Peritoma serrulata, Pawnee Buttes, Weld Co. 7303

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Peritoma serrulata, along CR 45, South of Doylesville, Saguache Co. 3153

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Peritoma serrulata, along CR 45, South of Doylesville, Saguache Co. 3141

Scientific Name Peritoma serrulata (Cleome serrulata) USDA PLANTS Symbol CLSE
Common Name Rocky Mountain Beeplant ITIS Taxonomic Serial No. 823032
Family Cleomaceae (Cleome formerly Capparacaea) SEINet
Reference
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Description Life zones and habitat: Plains to montane (3500 to 9000 ft.); sandy soils in open fields, roadsides, and other disturbed places.
Plant: Erect annual 20 to 32 inches tall, single stem branched near top.
Leaves: Compound leaves each with three slender lanceolate leaflets, 1 to 2-3/8 inches long.
Inflorescence: Clusters of many pink to dark pink or lavender flowers in a terminal raceme each with 4 petals and 6 long stamens; seed pods 1 to 2 inches long.
Bloom Period: June to September.
References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest and SEINet.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2022

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