noun🔗ShareUlmus rubra, a North American elm tree with a mucilaginous and slightly aromatic inner bark."The hiker identified the slippery elms by their reddish-brown bark and fragrant, mucilaginous inner layer. "plantmedicinematerialorganismnaturebiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA malvaceous shrub (Fremontia californica, now Fremontodendron californicum); so called on the Pacific coast."The park's entrance was lined with slippery elms, a distinctive feature of the Pacific coast landscape. "plantnaturebiologyChat with AIVocabulary GamePractice Reading