Pontederiaceae
Pontederiaceae Kunth, Nov. Gen. Sp. 1(3): 265. 1816. 'Pickerel-Weed Family'
Characteristic Features:
Emergent to free floating aquatic herbs
Leaves simple, bifacial, with sheathing base
Flowers actinomorphic or zygomorphic, trimerous, ovary tricarpellary, superior
Perianth biseriate, homochlamydeous, pollen di (tri)-sulculate
Diversity:
World- 6 genera 33 species (ThePlant List 2013); 6 genera, 34 species (Christenhusz & Byng 2016); 9 genera, 35 species (Mabberely 2017); 6 genera, 34 species (Roskov et al. 2021)
India - 2 genera 3 species (Karthikeyan 2000); 1 genus, 7 species (BSI, 2021)
Indian Himalaya- 1 genus, 3 species (Singh et al. 2019)
Uttarakhand - 1 genus 3 species (Uniyal et al. 2007)
General Characters:
Pontederiaceae in POWO 2021 (Plants of the World Online)
Pontederiaceae in Wikipedia
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- Lilianae, Order- Commelinales
Bentham & Hooker (1862-83)
Division : Phanerogams
Class : Monocotyledons
Series : Coronarieae
Engler & Prantl (1887-1915)
Kingdom : Plantae
Division : Embryophyta Siphonogama
Subdivision: Angiospermae
Class : Monocotyledoneae
Order : Farinosae
Hutchinson (1973)
Phylum : Angiospermae
Subphylum : Monocotyledones
Division : Corolliferae
Order : Liliales
Cronquist (1988)
Division : Magnoliophyta
Class : Liliopsida
Subclass : Liliidae
Order : Liliales
Thorne & Reveal (2007)
Class : Magnoliopsida
Subclass : Commelinidae
Super Order: Commelinanae
Order : Commelinales
Takhtajan (2009)
Phylum : Magnoliophyta
Class : Liliopsida
Subclass : Commelinidae
Super Order: Commelinanae
Order : Commelinales
Reveal (2012)
Class : Equisetopsida
Subclass : Magnoliidae
Super Order: Lilianae
Order : Commelinales
Suborder : Pontederiineae
APG-IV (2016)
Clade : Angiosperms
Clade : Monocots
Clade : Commelinids
Clade : Commelinales
Shipunov (2020)
Class : Angiospermae
Subclass : Liliidae
Order : Zingiberales
Suborder : Commelinineae
Genera & Species in Pantnagar
To see larger image please click on the name
~~~Wild Flora~~~
Pontederia crassipes Mart.