| nyssa |
| nyssa | (n) tupelos: deciduous trees of moist habitats especially swamps and beside ponds, Syn. genus Nyssa |
| nyssaceae | (n) a family of dicotyledonous trees of order Myrtales that includes the sour gum trees, Syn. sour-gum family, tupelo family, family Nyssaceae |
| sour gum | (n) columnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall, Syn. Nyssa sylvatica, black gum, pepperidge |
| water gum | (n) columnar swamp tree of southeastern to midwestern North America yielding pale soft easily worked wood, Syn. Nyssa aquatica |
