Ulmaceae
(Elm family)
[Latin name]
18 Genera
150 species (5 on campus)
I. Leaves
A. Deciduous
B. Alternate
C. Simple
D. Stipulate
E. Pinnate venation
F. Usually serrate/doubly serrate
G. Usually inequilateral bases
II. Flowers
A. Perfect or imperfect (monoecious)
B. 4-6 stamens
C. 1 celled ovary with 1 ovule, 2 styles
III. Fruit
A. Samara, Drupe, Nut
IV. Economic importance
A. Ornamental shade trees
B. Wood has superior strength, toughness and
bending qualities
-> containers
that are exposed to rough handling
V. Range
A. Temperate regions of N. & S.
hemispheres
B. Few tropical