Rumex densiflorus

(Alpine Dock)

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Rumex densiflorus, Eisenhower Tunnel, Summit Co. 8661

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Rumex densiflorus, Miner’s Creek, Frisco, Summit Co. 5834

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Rumex densiflorus, Miner’s Creek, Frisco, Summit Co. 5840

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Rumex densiflorus, Miner’s Creek, Frisco, Summit Co. 0179

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Rumex densiflorus, Boreas Pass, Summit Co. 2851

Scientific Name Rumex densiflorus USDA PLANTS Symbol RUDE2
Common Name Alpine Dock ITIS Taxonomic Serial No. 20953
Family Polygonaceae (Buckwheat) SEINet
Reference
Click Here
Description Life zones and habitat: Montane to alpine (5800 to 12000 ft); moist meadows, along streams, sunny areas.
Plant: Conspicuous, coarse-looking, tall perennial, 20 to 40 inches high.
Leaves: Very large basal and stem leaves, alternate, oblong or oblong-lanceolate leaves, 12 to 20 inches long and 4 to 6 inches wide; deeply veined and flat.
Inflorescence: Long 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; inner tepals broadly ovate to almost deltoid, margins entire or minutely toothed, no tubercules.
Bloom Period: March to October.
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet.
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