Rock Elm Ulmus thomasii, likewise referred to as Cork Elm, is an elm native to eastern and central North America. A tree ranges from either southern Ontario and Quebec, south to Tennessee, west to northeastern Kansas, and northward to Minnesota. Its favorite home ground is dampish however easily-drained arenaceous loam, loam, or even silt loam soil, mixed sustaining more hardwoods. All the same, it as well grows in dry highl&, especially in jumpy ridges and limestone bluffs. A tree grows from either 15-30 m tall & could survive as much as 300 years. These are moderately shade-tolerant.

A leaves & are Five-10 cm hanker and Two-Five cm wide. It is crooked using the circular base & the tapering point, & have a hirsute undersurface & incurvate dentition. A leaf surface is glazed dark-light-green, turning brilliantly yellowness around autumn. A crown is cylindric & vertical sustaining short branches, & is narrower virtually all more elms. A central trunk traverses a entire height of the tree.

A flowers, each astir 33 millimetre wide, come red-green & pop up Two weeks prior to a leaves concisely clustering at anytime from either March to Will, based on the tree's location. A fruit is a broad egg-oval-shaped key (samara) 13-25 mm yearn covered using ticket hair. It is notched at a tip. It mature when you took Might or even June & come out around drooping clump at a leaf bases.

A bark is grey-brown & deeply furrowed into scaly, planate ridges. Numerous older branches use at times Three-Four irregular heavy corked wings. These are for this cause that a Rock Elm is another time known as a Cork Elm. A wood is the hardest and heavily of completely elms, which makes it suitable for making agrarian information, musical instruments, and chairs.

See Also
Dutch elm disease