• WordNet 3.6
    • n Rumex docks: coarse herbs and shrubs mainly native to north temperate regions
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Century Dictionary and Cyclopedia
    • n rumex A genus of apetalous plants of the order Polygonaceæ, type of the tribe Rumiceæ. It is characterized by its six stamens and its six- or rarely four-parted perianth, with the outer segments unchanged in fruit, but the three inner ones erect and very much enlarged, often bearing a conspicuous grain or tubercle resulting from a thickening of the midrib. The included nut is sharply three-angled, but without wings. About 150 species have been enumerated, but the real number is much less. They are widely scattered through north temperate regions, with a few native to the tropics and southern hemisphere. Many are common weeds of cultivated grounds, and some are almost cosmopolitan. They are usually perennial deep-rooting herbs, rarely tall shrubs. They bear united stipules (ocreæ), which are often transparent, at first sheathing, soon torn and vanishing. The flowers are in small bracted clusters at the nodes, often forming terminal racemes or panicles. In the section Lapathum, the dock, the leaves are commonly large, undivided, and cordate or rounded at the base; in Acetosa, known as sorrel, they are small, commonly hastate, and permeated by an acid juice. The root is astringent, and has tonic, alterative, and antiscorbutic properties. Besides dock and sorrel, see canaigre, wild pie-plant (under pie-plant), bloodwort, butter-dock, greensauce, monk's-rhubarb, mountain rhubarb; also cuts under atropal and obtuse.
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Chambers's Twentieth Century Dictionary
    • n Rumex rōō′meks a genus of apetalous plants to which belong dock and sorrel, &c.
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In literature:

Rumex, germination of old seeds.
"More Letters of Charles Darwin Volume II" by Charles Darwin
The sorrel (Rumex acetosella) covers hundreds of acres with a sheet of red.
"Darwinism (1889)" by Alfred Russel Wallace
Rosa is common, also a Rumex; a Sisymbroid plant also occurs.
"Journals of Travels in Assam, Burma, Bhootan, Afghanistan and TheNeighbouring Countries" by William Griffith
Polygonaceae Rumex Ditto Sepals.
"Vegetable Teratology" by Maxwell T. Masters
It was the basis of the soup and of the green sauce for fish, in which the dock-sorrel (Rumex) has now taken its place.
"More Science From an Easy Chair" by Sir E. Ray (Edwin Ray) Lankester
Rumex Acetocella, Field or sheep sorrel.
"Seeds of Michigan Weeds" by W. J. (William James) Beal
DOCK, a name applied to different plants of the genus Rumex, belonging to the rhubarb family (Polygonaceae).
"The New Gresham Encyclopedia" by Various