Rumex crispus

(Curly Dock)

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Rumex crispus, Hwy 65, Grand Mesa, Mesa Co. 2836

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Rumex crispus, Hwy 65, Grand Mesa, Mesa Co. 2842

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Leaves, Rumex crispus, Hwy 65, Grand Mesa, Mesa Co. 2840

Scientific Name Rumex crispus USDA PLANTS Symbol RUCR
Common Name Curly Dock ITIS Taxonomic Serial No. 20937
Family Polygonaceae (Buckwheat) SEINet
Reference
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Description Life zones and habitat: Plains to montane (3500 to 9500 ft); moist meadows, along streams, disturbed areas along roadsides and ditches; widespread.
Plant: Conspicuous, coarse-looking perennial, 16 to 40 inches high.
Leaves: Basal and stem leaves, alternate, lanceolate to elliptic-lanceolate leaves, 6 to 14 inches long and 3/4 to 2-3/8 inches wide; edges curled.
Inflorescence: Vertical spike-like panicles with many clusters of 10 to 25 flowers arranged in whorls, greenish-white/red turning rose-red later and maturing into reddish-brown seed heads; each flower about 1/8-inch long consisting of 3 inner sepals, 3 outer sepals, 3 styles, and an ovary; inner sepals (tepals) ovate-deltoid with mostly smooth edges, tubercules present.
Bloom Period: May to September.
References: "Flora of Colorado" by Jennifer Ackerfield, Illinois Wildflowers and SEINet.
BONAP Distribution Map


Map Color Key
Colorado Status:
Introduced

© Tom Lebsack 2022

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