Ulmus alata Michx.

Winged elm (en)

Species

Angiosperms > Rosales > Ulmaceae > Ulmus

Characteristics

Trees , 10-18 m; crowns open. Bark light brown to gray with shallow ridges and plates. Wood hard. Branches: young and old-growth branches with opposite, prominent, regular corky wings; twigs reddish brown, pubescent to glabrous. Buds: apex acute; scales brown to rusty, slightly pubescent. Leaves: petiole ca. 2.5 mm, pubescent. Leaf blade lanceolate to oblanceolate, 3-6.9 × 0.6-3.2 cm, base somewhat cordate to oblique, margins doubly serrate, apex acute; surfaces abaxially with trichomes on veins, tufts of pubescence in axils of veins, adaxially glabrous to scabrous. Inflorescences short racemes, not pendulous, less than 2.5 cm; pedicel 2-7 mm, not fully expanded until fruiting stage. Flowers: calyx deeply lobed, symmetric, lobes 5; stamens 5; anthers red. Samaras gray-tan, often reddish tinged, lanceolate to oblong-elliptic, ca. 8 mm, narrowly winged, margins ciliate, cilia white, 1-2 mm. Seeds slightly thickened, not inflated. 2 n = 28.
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A tree. It has a short trunk. The crown is open and rounded. It grows 12-24 m high. The trunk can be 50 cm across. The bark is light brown and thin with irregular cracks. The leaves are in 2 rows. They are 3-6 cm long. They are narrowly oval and often slightly curved. The sides are unequal and there are double teeth along the edge. The mid vein is yellow. There are many straight side veins. The leaves are thick and firm. They are dark green above and have soft hairs underneath. They turn yellow in autumn. The flowers are 3 mm wide and green. They are clustered along the twigs. The fruit are 10 mm long and flat and reddish. They have 1 seed. They have narrow wings with 2 curved points at the tip.
Tree to 15 m, the thinly hairy twigs commonly developing 2 opposite plates of cork, beginning the first or second season; buds glabrous or finely pubescent; lvs oblong or somewhat obovate, mostly 4–7 cm, less than half as wide, scarcely cordate at base, glabrous to scabrellous above; fls in short racemes seldom 1 cm; fr narrowly ovate, 1 cm incl. the 2 mm stipe, ciliate, pubescent on the sides; 2n=28. Moist or dry uplands; se. Va. to s. Ind., s. Ill., and Mo., s. to Fla. and Tex.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination anemogamy
Spread -
Mature width (meter) 2.0
Mature height (meter) 13.0 - 15.0
Root system -
Rooting depth (meter) 1.0
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Alluvial woods and deciduous woodlands, especially dry, gravelly, acidic woodlands and glades, less often in alluvial soils on the borders of swamps and banks of streams; along fencerows, waste areas; at elevations up to 600 metres.
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It grows in dry uplands and moist valleys. In the southern USA it grows up to 600 m altitude.
Light 3-6
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-7

Usage

Uses environmental use material medicinal wood
Edible leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from fresh seeds. They can also be grown by cuttings, grafting or layering.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) 3
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Ulmus alata habit picture by Brad Kelley (cc-by-sa)
Ulmus alata habit picture by Aaron Harp (cc-by-sa)

Leaf

Ulmus alata leaf picture by Brad Kelley (cc-by-sa)
Ulmus alata leaf picture by Bonner Brooks (cc-by-sa)
Ulmus alata leaf picture by Dana Mackonis (cc-by-sa)

Distribution

Ulmus alata world distribution map, present in United States of America

Conservation status

Ulmus alata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:302994-2
WFO ID wfo-0001143138
COL ID 7DFYH
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ulmus americana var. alata Ulmus alata