Elm genus ULMUS

ULMUS
Elm genus

Ulmus x hollandica
'Groeneveld'
Smoothleaf Elm

Ulmus parvifolia
'ARoss/Central Park'
Chinese Elm

Ulmus parvifolia
'Emer II'
Lacebark Elm

Ulmus rubra
Slippery Elm

Hudson River Park locations:
(N3b)
(N4b)
sections

Hudson River Park location:
Charles Street to West 11th Street (N3b) section

Hudson River Park location:
Morton Street to Christopher Street (N1) section

Hudson River Park locations:
Charles Street to West 11th Street (N3a & N3b) sections

Kingdom  Plantae – Plants
    Subkingdom  Tracheobionta – Vascular plants
        Superdivision  Spermatophyta – Seed plants
            Division  Magnoliophyta – Flowering plants
                Class  Magnoliopsida – Dicotyledons
                    Subclass  Hamamelididae
                        Order  Urticales
                            Family  Ulmaceae – Elm family
                                Genus  Ulmus L. – elm

Species
Ulmus × hollandica
Mill. – Dutch elm

Species
Ulmus parvifolia
Jacq. – Chinese elm

Species
Ulmus rubra
Muhl. – slippery elm

February

March

October

February

September

March

May

Lacebark Elm

Central Park Splendor (trademark)

ulmus (L) = "elm"
parvufolia (L) = "small leaves"

Native to China, Korea, Japan

Native habitat: Rich soil and near water courses

Edibility

Samara fruit while green, raw or cooked
Seeds when wings have dried, raw or cooked
Young leaves raw or cooked

Salt spray tolerance moderate

Commemorates Arthur Vining Ross

Erroneously known as 'Across Central Park'

Propagated from specimen in Central Park, NYC, believed to be largest and oldest in US

Reported invasive in DC, NC, NE, NJ,VA, and WI

Chinese Elm
Drake Elm
Drake Chinese Elm
Drake Lacebark Elm

Emerald Vase
Allee (trademark)

ulmus (L) = "elm"
parvifolia (L) = "small leaves"

Native to China, Korea, Japan

Native habitat: Rich soil and near water courses

Edibility

Samara fruit while green, raw or cooked
Seeds when wings have dried, raw or cooked
Young leaves raw or cooked

Salt spray tolerance moderate

Propagated from specimen found on U. of Georgia campus, Athens, Georgia

Reported invasive in DC, NC, NE, NJ, VA, and WI

Red Elm
Gray Elm
Soft Elm

ulmus (L) = "elm"
rubra (L) = "red"

Native to eastern North America

Lifespan: ave. 200 years

Named for inner bark, which is moist and sticky ("slippery") and red

Tree / Buds / Bark

Tree
Buds
Bark

Tree

Deciduous

Bark

Exfoliating

Tree

Deciduous

Buds

Smallest of all elms
Brown
Slightly hairy
Flat against twig

Bark

Exfoliating
Colors revealed outlined by orange lenticels

Tree

Deciduous

Buds
they are covered with reddish-brown hairs, are dark in color, and are somewhat round.
Bark

Deeply furrowed

October

February

Exfoliating bark

September

February

Exfoliating bark

May

March

Flowers

Perfect

Small, inconspicuous
Wind pollinated
Appear in early autumn

Perfect

Small, inconspicuous
Wind pollinated
Appear in early autumn

Perfect

Inconspicuous

March

September

April

Fruit

Samaras

Round
Ripen April to May

Samaras

Round
Appearing in early autumn

Samaras

Rounded
Notched at tip
Appearing in early autumn

Samaras
Small
Flat
Winged
Circular

September

October

September

Foliage

Leaves

Arrangement alternate
Structure simple
Elliptic
Margins toothed (serrate)
Venation pinnate
Apex acute
Base oblique
Dark green
Small

Leaves

Arrangement alternate
Structure simple
Elliptic
Margins toothed (serrate)
Venation pinnate
Apex acute
Base oblique
Dark green
Small
Persist into new year

Leaves

Arrangement alternate
Structure simple

pointed at the tip and doubly toothed. They are from 4 to 7 inches long and the sand papery texture of the upper surface and asymmetrical base distinguish slippery elm from other elms in the state. The lower surface of the leaves can be either smooth or hairy.