noun
a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats
• Syn: ↑Polygonaceae, ↑family Polygonaceae
• Hypernyms: ↑dicot family, ↑magnoliopsid family
• Member Holonyms: ↑Polygonales, ↑order Polygonales
• Member Meronyms:
↑Polygonum, ↑genus Polygonum, ↑Fagopyrum, ↑genus Fagopyrum, ↑genus Eriogonum, ↑Rheum, ↑genus Rheum, ↑Rumex, ↑genus Rumex
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noun* * *
the plant family Polygonaceae, characterized by herbaceous plants, vines, shrubs, and trees having stems with swollen joints, simple leaves, small, petalless flowers, and fruit in the form of an achene, and including the buckwheat, dock, knotweed, rhubarb, sea grape, and smartweed.
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buckwheat family,
a group of dicotyledonous herbs, shrubs, and trees, having alternate and usually entire leaves with stipules which form a sheath around the base of the petiole. The family includes the buckwheat and rhubarb, as well as many weedy plants, such as dock and knotgrass.
Useful english dictionary. 2012.