Polygonaceae

Thesaurus

Noun

Polygonaceae - a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheatsbuckwheat family, family Polygonaceaedicot family, magnoliopsid family - family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germinationorder Polygonales, Polygonales - coextensive with the family Polygonaceae,genus Polygonum, Polygonum - diverse genus of herbs or woody subshrubs of north temperate regionsFagopyrum, genus Fagopyrum - buckwheat; in some classifications included in the genus Polygonumgenus Eriogonum - North American herbs of the buckwheat familygenus Rheum, Rheum - rhubarbgenus Rumex, Rumex - docks: coarse herbs and shrubs mainly native to north temperate regions

Polygonaceae

[pə‚lig·ə′nās·ē‚ē] (botany) The single family of the order Polygonales.

Polygonaceae

a family of dicotyledonous plants. They are predominantly herbs and semishrubs. more rarely shrubs, and very rarely (in the tropics) small trees. The leaves are alternate, as a rule, and almost always with a sheathing growth (ocrea) at the base. The blossoms are small, regular, and for the most part monoecious, usually with compound inflorescences. The perianth is simple, three- or (rarely) two-membered. most often of three to six free or partly knitted green, white, or reddish leaflets. There are three to nine stamens, rarely more. The gynecium consists of three (more rarely two to four) carpels; the ovary is superior; the fruit is nutlike, often trihedral, with a remaining perianth. There are approximately 40 genera (900 species) growing over the entire globe but mainly in the temperate zone of the northern hemisphere. In the USSR there are eight to ten genera (almost 300 species). Those of greatest economic significance are buckwheat, rhubarb, dock, Calligonum, snakeweed, and Atraphaxis(there are approximately 20 species in the USSR).

REFERENCES

Flora SSSR, vol. 5. Moscow-Leningrad, 1936.
Takhtadzhian. A. L. Sistema i filogeniia tsvetkovykh rastenii. Moscow-Leningrad. 1966

Polygonaceae

Related to Polygonaceae: ocrea, Caryophyllaceae, eriogonum

noun

Synonyms for Polygonaceae

noun a family of plants of order Polygonales chiefly of the north temperate zone

Synonyms

buckwheat family
family Polygonaceae

Related Words

dicot family
magnoliopsid family
order Polygonales
Polygonales
genus Polygonum
Polygonum
Fagopyrum
genus Fagopyrum
genus Eriogonum
genus Rheum
Rheum
genus Rumex
Rumex