Ulmus rubra
Ulmus rubra, or slippery elm, is a North American elm distinguished by reddish inner bark and mucilaginous inner-bark tissue.
Ulmus: Ulmus is a genus of deciduous trees commonly known as elms. Ulmus rubra is one species in this genus.
Slippery elm bark: Slippery elm bark is the inner bark of Ulmus rubra, used fresh or dried in preparations. It is the plant material most often harvested from this species.
Ulmus americana: Ulmus americana, the American elm, is a large North American elm with a vase-shaped crown. It is a widespread native elm that may be confused with slippery elm.
Ulmus rubra identification: Ulmus rubra identification uses leaf, twig, fruit, and bark traits to distinguish the species. Rough upper leaf surfaces and reddish, slippery inner bark help identify it.
Ulmaceae: Ulmaceae is a family of flowering plants that includes elms and hackberries. This family contains the genus Ulmus.
Herbal medicine: Herbal medicine uses plants or plant extracts in preparations intended to support health. Slippery elm bark is used in traditional and commercial herbal products.
Ulmus thomasii: Ulmus thomasii, the rock elm, is a North American elm adapted to rocky habitats. This related native species offers another comparison within eastern North American elms.
Ulmus glabra: Ulmus glabra, the wych elm, is a European elm with rough leaves and broad geographic variation. Its rough leaves resemble those of slippery elm, but it is native to Europe.
Elm: An elm is a tree in the genus Ulmus, known for its distinctive leaves and winged fruits. The common name places Ulmus rubra among North American elms.
Demulcent: A demulcent is a substance that soothes irritated mucous membranes by forming a protective coating. Slippery elm's mucilage is the basis for its use as a demulcent.