Ulmaceae
Ulmaceae Mirb., Elem. Physiol. Veg. Bot. 2: 905. 1815. nom. cons. 'Elm Family'
Characteristic Features:
Trees
Leaves simple, often distichous, serrate, oblique with secondary veins terminating at teeth
Flowers small, unisexual or bisexual, wind pollinated
Ovary 2-3 locular, each locule with one pendulous ovule
Fruit dry and often a flattened samara
Diversity:
World- 8 genera 65 species (ThePlant List 2013); 7 genera 45 species (Christenhusz & Byng 2016); 7 genera, 50 species (Mabberely 2017); 6 genera, 111 species (Roskov et al. 2021)
India - 6 genera 22 species (Karthikeyan 2000; different circumscription); 2 genera, 9 species (BSI 2021)
Indian Himalaya- 4 genera, 15 species (Singh et al. 2019)
Uttarakhand - 2 genera 6 species (Uniyal et al. 2007)
General Characters:
Ulmaceae in POWO 2021 (Plants of the World Online)
Ulmaceae in Wikipedia
Systematic Position of the Family in Different Systems of Classifications:
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- Rosanae, Order-Rosales
Bentham & Hooker (1862-83)
Class : Dicotyledons
Subclass: Monochlamydeae
Series : Unisexuales
Engler & Prantl (1887-1915)
Kingdom : Plantae
Division : Embryophyta Siphonogama
Subdivision: Angiospermae
Class : Dicotyledoneae
Subclass : Archichlamydeae
Order : Urticales
Hutchinson (1973)
Phylum : Angiospermae
Subphylum: Dicotyledones
Division : Lignosae
Order : Urticales
Cronquist (1988)
Division : Magnoliophyta
Class : Magnoliopsida
Subclass : Hamamelidae
Order : Urticales
Thorne & Reveal (2007)
Class : Magnoliopsida
Subclass : Malvidae
Super Order: Malvanae
Order : Urticales
Takhtajan (2009)
Phylum : Magnoliophyta
Class : Magnoliopsida
Subclass : Dilleniidae
Super Order: Malvanae
Order : Urticales
Reveal (2012)
Class : Equisetopsida
Subclass : Magnoliidae
Super Order: Rosanae
Order : Urticales
APG-IV (2016)
Clade : Angiosperms
Clade : Eudicots
Clade : Core Eudicots
Clade : Superrosids
Clade : Rosids
Clade : Fabids
Order : Rosales
Shipunov (2020)
Class : Angiospermae
Subclass : Rosidae
Super Order : Rosanae
Order : Rosales
Suborder : Urticineae
Genera & Species in Pantnagar
To see larger image please click on the name
