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Ulmus minor

Higher Taxonomy
Family: UlmaceaeView Description 

Common Name: ELM FAMILY
Habit: Tree. Leaf: simple, alternate, 2-ranked; veins pinnate; stipules deciduous. Flower: radial; sepals 4--9, free to fused; corolla 0; stamens 4--9, opposite sepals; ovary superior, chamber 1, ovule 1, style branches 2. Fruit: 2-winged nutlet.
Genera In Family: 7 genera, +- 60 species: temperate to tropics; some cultivated for ornamental (Ulmus, Zelkova), used for wood (especially Ulmus). Note: Celtis moved to Cannabaceae.
eFlora Treatment Author: Alan T. Whittemore
Scientific Editor: Bruce G. Baldwin.
Genus: UlmusView DescriptionDichotomous Key

Common Name: ELM
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.

Ulmus minor Mill.
Habit: To 40 m; bark split into ridges or plates that seldom curve together. Stem: some branches with corky warts or wings; winter buds red-brown to almost black, bluntly short-ovoid or +- spheric, pubescent. Leaf: 5.5--11.3 cm, 3.5--8.3 cm wide, oblong or bluntly elliptical, acuminate or generally short-acuminate, margins double-serrate, abaxial surface pubescent on blade and veins, or glabrous except for tufts in vein axils. Inflorescence: flower, fruit before leaves in spring; pedicels +- 0. Fruit: 1.7--2 cm, 1.1--1.9 cm wide, broadly elliptical or +- round, pale green, glabrous except for pubescence on stigmatic surface in notch.
Ecology: Spreading by root suckers near old plantings; Elevation: 10--1000 m. Bioregional Distribution: NCoRI, SNF, ScV, CCo, SW, DSon; Distribution Outside California: native to Europe. Flowering Time: Feb--Mar
Synonyms: Ulmus carpinifolia Gled.; Ulmus procera Salisb.
eFlora Treatment Author: Alan T. Whittemore
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Citation for this treatment: Alan T. Whittemore 2016. Ulmus minor, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 03, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 03, 2016.

Ulmus minor
click for enlargement
© 2012 Neal Kramer
Ulmus minor
click for enlargement
© 2012 Neal Kramer
Ulmus minor
click for enlargement
© 2012 Neal Kramer
Ulmus minor
click for enlargement
© 2012 Neal Kramer
Ulmus minor
click for enlargement
© 2012 Neal Kramer

More photos of Ulmus minor in CalPhotos

Geographic subdivisions for Ulmus minor:
NCoRI, SNF, ScV, CCo, SW, DSon;
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.