curly dock

Rumex crispus L.

Description from Invasive.org

Appearance

Rumex crispus is a perennial herb with erect flowering stems 11.8-63 in. (30-160 cm) in length.

Foliage

Basal leaves up to 15.7 in. (40 cm) x 4.3 in. (11 cm), lanceolate or oblong-lanceolate in shape. Upper Cauline leaves are less crisped than basal leaves, with petioles up to 2.4 in. (6 cm) in length. Leaf margins of cauline leaves vary from nearly flat to strongly crisped.

Flowers

Flowers are crowded in whorls which are usually distinct except towards the ends of branches. Perianth segments are orbicular-deltoid in shape are green colored at flowering but become brown.

Fruit

The fruit is 0.14-0.24 in. (3.5-6 mm) x 0.12-0.24 in. (3-6 mm) and is enclosed within inner perianth segments. Margin of fruit is entire or minutely denticulate.

Ecological Threat

Rumex crispus is found in grasslands, pastures and arable land. It is native to Africa, temperate and tropical Asia and Europe.

Selected Images from Invasive.org

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Plant(s)
Steve Dewey, Utah State University, Bugwood.org
Additional Resolutions & Image Usage

Flower(s)
Steve Dewey, Utah State University, Bugwood.org
Additional Resolutions & Image Usage

Plant(s)
Steve Dewey, Utah State University, Bugwood.org
Additional Resolutions & Image Usage

Foliage
Lynn Sosnoskie, University of Georgia, Bugwood.org
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Foliage
Bruce Ackley, The Ohio State University, Bugwood.org
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Fruit(s) Disseminules, some with outer tepals still attached.
D. Walters and C. Southwick, USDA, Bugwood.org
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Fruit(s) Four fruits with perianth remains removed. Apices pointing up.
D. Walters and C. Southwick, USDA, Bugwood.org
Additional Resolutions & Image Usage