|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Ulmaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Deciduous. Leaf: serrate (or doubly so), base generally oblique, 2° veins straight, parallel, extending to margin, each ending in a tooth; axils of 2° veins generally with prominent tufts of hairs. Inflorescence: umbels or short racemes in leaf axils on old wood; flowers sessile or pedicels 7--17 mm. Flower: bisexual; calyx generally bell-shaped, lobes 4--9; stamens 4--9, exserted; ovary strongly compressed; style divided to base, branches spreading.
Species In Genus: +- 40 species: northern temperate. Note: Widely cultivated as street trees; flowers, fruit needed for identification.
eFlora Treatment Author: Alan T. Whittemore
Jepson Online Interchange
Key to UlmusPrevious taxon: Ulmaceae
Next taxon: Ulmus americana
Citation for this treatment: Alan T. Whittemore 2017. Ulmus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10753, accessed on January 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 20, 2017.