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