Francisco Campderá y Camin

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The docks and sorrels, genus Rumex, are a genus of about 200 species of annual, biennial, and perennial herbs in the buckwheat family, Polygonaceae. Members of this genus are common perennial herbs with a worldwide native distribution in temperate and subtropical climates. Some are nuisance weeds (and are sometimes called dockweed or dock weed), but some are grown for their edible leaves. Rumex species are used as food plants by the larvae of a number of Lepidoptera species, and are the only host plants of the butterflies Lycaena dispar and Lycaena rubidus.

Oxygonum is a genus of plants in the family Polygonaceae with about 38 species. It is native to eastern parts of Africa and to the Arabian Peninsula.

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Rumex brownii, the hooked dock, Browne's dock or swamp dock, is a leafy perennial herb native to Australia, and is widespread and grows in disturbed sites. It is an introduced weed in the Pacific Islands, England, Japan, and New Zealand. It is 50–80 cm high with variably shaped basal leaves, oblong or lanceolate, to 12 cm long, and to 4 cm wide with cordate to truncate base. The petiole is about half as long as the lamina. Flower whorls with 3–5 hooked teeth on each side and with a hooked tip. The hooks aid seed dispersal via attaching to animal fur and hair, and also human clothing.

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Rumex cuneifolius is a flowering plant species in the family Polygonaceae.

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