Polygonaceae
Infl. various, basically cymose; fls small, regular, perfect or unisexual; tepals 3-6, imbricate, often enlarged in fr.; stamens 6-9, anthers 2-celled. Ovary superior, 1-celled, subtended by annular nectariferous disk; ovule solitary, basal. Fr. a nutlike achene, lenticular or trigonous; seed with cop. endosperm. Herb, shrub or liane with us. alt. lvs; stipules ochreate. A cosmopolitan family with over 30 genera and ± 800 spp.
