black gum

(noun) columnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall. Synonyms: sour gum, black gum, pepperidge, Nyssa sylvatica.

(noun) a small mallee with rough dark-colored bark toward the butt; yields a red eucalyptus kino gum. Synonyms: black mallee, black sally, black gum, Eucalytus stellulata.