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Polygonaceae Juss., Gen. Pl. 82. 1789. nom. cons. 'Buckwheat Family'
Polygonaceae Juss., Gen. Pl. 82. 1789. nom. cons. 'Buckwheat Family'
Characteristic Features:
Characteristic Features:
Annual or perennial herbs, shrubs, lianas, vines or trees with often swollen nodes
Leaves spirally arranged, simple and may have stipulate ochrea
Inflorescence of fasciculate units of small actinomorphic flowers
Perianth monochlamydeous, 3+3 or 5 connate tepals
Ovary superior, tricarpellary, syncarpous, unilocular, uniovulate with basal and mostly orthotropous ovule
Fruit a 3-sided achene or nutlet
Diversity:
Diversity:
World- 59 genera 1,384 species (The Plant List 2013); 48 genera 1,200 species (Christenhusz & Byng 2016); 52 genera, 1200 species (Mabberely 2017); 54 genera, 1566 species (Roskov et al. 2021)
India - 18 genera 164 species (Karthikeyan 2000); 16 genera, 117 species (BSI, 2021)
Indian Himalaya- 16 genera, 127 species (Singh et al. 2019)
Uttarakhand - 12 genera 75 species (Uniyal et al. 2007)
General Characters:
General Characters:
Polygonaceae in POWO 2021 (Plants of the World Online)
Polygonaceae in Wikipedia
Systematic Position of the Family in Different Systems of Classifications:
Systematic Position of the Family in Different Systems of Classifications:
Systematic position in 2-Superkingdom, 7-Kingdom classification of Ruggiero et al. (2015)
Systematic position in 2-Superkingdom, 7-Kingdom classification of Ruggiero et al. (2015)
Super Kingdom- Eukaryota, Kingdom- Plantae, Subkingdom- Viridiplantae, Infrakingdom- Streptophyta, Superphylum- Embryophyta, Phylum- Tracheophyta, Subphylum- Spermatophytina, Superclass- Angiospermae, Class- Magnoliopsida, Superorder- Caryophyllanae, Order- Caryophyllales
Bentham & Hooker (1862-83)
Bentham & Hooker (1862-83)
Class : Dicotyledons
Subclass : Monochlamydeae
Series : Curvembryeae
Engler & Prantl (1887-1915)
Engler & Prantl (1887-1915)
Kingdom : Plantae
Division : Embryophyta Siphonogama
Subdivision: Angiospermae
Class : Dicotyledoneae
Subclass : Archichlamydeae
Order : Polygonales
Hutchinson (1973)
Hutchinson (1973)
Phylum : Angiospermae
Subphylum : Dicotyledones
Division : Herbaceae
Order : Polygonales
Cronquist (1988)
Cronquist (1988)
Division : Magnoliophyta
Class : Magnoliopsida
Subclass : Caryophyllidae
Order : Polygonales
Thorne & Reveal (2007)
Thorne & Reveal (2007)
Class : Magnoliopsida
Subclass : Caryophyllidae
Super Order: Caryophyllanae
Order : Polygonales
Takhtajan (2009)
Takhtajan (2009)
Phylum : Magnoliophyta
Class : Magnoliopsida
Subclass : Caryophyllidae
Super Order: Polygonanae
Order : Polygonales
Reveal (2012)
Reveal (2012)
Class : Equisetopsida
Subclass : Magnoliidae
Super Order: Caryophyllanae
Order : Polygonales
APG-IV (2016)
APG-IV (2016)
Clade : Angiosperms
Clade : Eudicots
Clade : Core Eudicots
Clade : Superasterids
Order : Caryophyllales
Shipunov (2020)
Shipunov (2020)
Class : Angiospermae
Subclass : Asteridae
Super Order: Caryophyllanae
Order : Caryophyllales
Suborder : Plumbaginineae
Genera & Species in Pantnagar
Genera & Species in Pantnagar
To see larger images please click on the names
~~~Wild Flora~~~
~~~Wild Flora~~~
Antigonon leptopus Hook. & Arn.
Persicaria decipiens (R.Br.) K.L.Wilson
Persicaria lapathifolia (L.) Delarbre
***Cultivated Flora***
***Cultivated Flora***
Muehlenbeckia platyclada (F.Muell.) Meisn.
Vernacular name: Tapeworm Plant, Centipede Plant
Nativity: Papua New Guinea (POWO, 2019)
Common Characteristics: Dense shrub. Branches flat and ribbon like. Flowers borne in clusters on the margin of stem joints, minute, white or pinkish.
Flowering period: March to September
Propagation Methods: Propagated by stem cuttings (Dave’s Garden)
Photographed @ MFC
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