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Polygonaceae is a family of flowering plants are herbs, shrubs, or rarely trees comprising about 30 genera and 1,000 species. The leaves are simple, alternate or rarely opposite, and usually stipulate.
The Polygonaceae are a group of about 30 to 50 genera and more than 1000 species of caryophyllid flowering plants that are closely related to the Plumbaginaceae. Like most plants, but unlike most caryophyllids, the Polygonaceae have anthocyanin pigments.
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POLYGONACEAE P. Acevedo-Rodríguez A nearly cosmopolitan family of 55 genera and ~1,115 species of herbs, shrubs, trees, and lianas. The 36 species of climbing Polygonaceae in the Neotropics are endemic to this region, representing six genera which are also endemic or predominantly represented in the Neotropics.
Family: Polygonaceae — buckwheat family. Our New England species in the Polygonaceae are primarily herbs or vines. The leaves are usually alternate on the stem and may also grow in a rosette at the base of the plant.
Dichotomous Key. Polygonaceae. See list of 10 genera in this family. References: Hong et al. (1998), Mitchell and Dean (1978), Ronse Decraene and Akeroyd (1988), Ronse Decraene et al. (2000). Choose this genus. Rheum. 1a.
In this study, we address the relationships of Aconogonon, Emex, Fallopia, Koenigia, Oxygonum, Polygonum, and Rumex. We clarify the evolutionary history of Polygonoideae by building on an existing molecular dataset ( nrITS, matK, trnL-trnF) analysed with maximum likelihood and Bayesian methods.
