Smartweeds
Fallopia dumetorum - from Thomé Flora von Deutschland, Österreich und der Schweiz 1885
Scientific classification
Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Caryophyllales Family: Polygonaceae
Genera
See text Image File history File links Download high resolution version (1344x2242, 533 KB) Name Fallopia dumetorum Family Polygonaceae Original book source: Prof. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Green algae Land plants (embryophytes) Non-vascular plants (bryophytes) Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants (also angiosperms or Magnoliophyta) are one of the major groups of modern plants, comprising those that produce seeds in specialized reproductive organs called flowers, where the ovulary or carpel is enclosed. ... Orders see text Dicotyledons or dicots are flowering plants whose seed contains two embryonic leaves or cotyledons. ... Families Achatocarpaceae Aizoaceae (Fig-marigold family) Amaranthaceae (amaranth family) Ancistrocladaceae Asteropeiaceae Barbeuiaceae Basellaceae (basella family) Cactaceae (cactus family) Caryophyllaceae (carnation family) Dioncophyllaceae Droseraceae (sundew family) Drosophyllaceae Frankeniaceae Molluginaceae (carpetweed family) Nepenthaceae Nyctaginaceae (four-oclock family) Physenaceae Phytolaccaceae (pokeweed family) Plumbaginaceae (plumbago family) Polygonaceae (buckwheat family) Portulacaceae (purslane family) Rhabdodendraceae... See genus (mathematics) for the use of the term in mathematics. ...

The Polygonaceae, or the Knotweed Family, are a group of dicots including buckwheat, sorrel (but not wood sorrel), rhubarb, and knotgrass. It is named for the shape of the seed; that of rhubarb, for example, has a triangular cross-section. Orders see text Dicotyledons or dicots are flowering plants whose seed contains two embryonic leaves or cotyledons. ... Species Fagopyrum esculentum Fagopyrum tataricum Buckwheat (Fagopyrum esculentum common buckwheat, and Fagopyrum tataricum Tatar buckwheat) are plants in the genus Fagopyrum (sometimes classified as Polygonum) in the family Polygonaceae. ... This article needs cleanup. ... Species See text Oxalis is the largest genus in the wood sorrel family Oxalidaceae. ... Species See text Rhubarb is a perennial plant that grows from thick short rhizomes, comprising the genus Rheum. ... Species see text Polygonum cuspidatum fall foliage Polygonum, or knotweed, is a genus in the buckwheat family Polygonaceae. ...

In the Cronquist system, the Polygonaceae were given their own order, but newer systems treat them as part of the Caryophyllales. The Cronquist system is a scheme for the classification of flowering plants (or angiosperms). ... Families Achatocarpaceae Aizoaceae (Fig-marigold family) Amaranthaceae (amaranth family) Ancistrocladaceae Asteropeiaceae Barbeuiaceae Basellaceae (basella family) Cactaceae (cactus family) Caryophyllaceae (carnation family) Dioncophyllaceae Droseraceae (sundew family) Drosophyllaceae Frankeniaceae Molluginaceae (carpetweed family) Nepenthaceae Nyctaginaceae (four-oclock family) Physenaceae Phytolaccaceae (pokeweed family) Plumbaginaceae (plumbago family) Polygonaceae (buckwheat family) Portulacaceae (purslane family) Rhabdodendraceae...

Many knotweeds have ocreas at their stems' nodes. Ocreas is a sheath developed from stipules at the attaching leaves' bases. Some ocreas have mildly hairy fringes.

Species

• Afrobrunnichia
• Antigonon
• Aristocapsa
• Atraphaxis
• Brunnichia
• Calligonum
• Centrostegia
• Chorizanthe
• Coccoloba
• Dedeckera
• Dodecahema
• Emex
• Eriogonum
• Fagopyrum
• Fallopia
• Gilmania
• Goodmania
• Gymnopodium
• Harfordia
• Hollisteria
• Knorringia
• Koenigia
• Lastarriaea
• Leptogonum
• Muconea
• Muehlenbeckia
• Nemacaulis
• Neomillspaughia
• Oxygonum
• Oxyria
• Oxytheca
• Parapteropyrum
• Persicaria
• Podopterus
• Polygonella
• Polygonum or Knotweed
• Pteropyrum
• Pterostegia
• Rheum
• Rumex
• Ruprechtia
• Stenogonum
• Symmeria
• Systenotheca
• Triplaris

Species Coccoloba microstachya Coccoloba pallida Coccoloba pubescens Coccoloba pyrifolia Coccoloba rugosa Coccoloba sintenisii Coccoloba swartzii Coccoloba tenuifolia Coccoloba uvifera Coccoloba venosa Coccoloba Juss. ... Species over 250, see text The Wild Buckwheats form the genus Eriogonum in the flowering plant family Polygonaceae. ... Species Fagopyrum esculentum Fagopyrum tataricum The genus Fagopyrum in the flowering plant family Polygonaceae includes two important crop plants, the Buckwheat or Japanese Buckwheat Fagopyrum esculentum, and the Tartary Buckwheat Fagopyrum tataricum. ... The genus Fallopia is named after Gabriello Fallopio or Fallopius who was the superintendent of the botanical garden at Padua. ... Common bistort stem Common bistort is a common wildflower that is found throughout Europe. ... Species see text Polygonum cuspidatum fall foliage Polygonum, or knotweed, is a genus in the buckwheat family Polygonaceae. ... Species see text Polygonum cuspidatum fall foliage Polygonum, or knotweed, is a genus in the buckwheat family Polygonaceae. ... Rhubarb is a perennial plant that grows from thick, short rhizomes, comprising the genus Rheum. ... Species About 200, see text. ...

External link

• Polygonaceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants: descriptions, illustrations, identification, information retrieval. http://delta-intkey.com