Nyssa aquatica, commonly called the water tupelo,<ref name=GRIN>Template:GRIN</ref> cottongum,<ref name=HortusIII>Template:Cite book</ref> wild olive,<ref name=HortusIII/> large tupelo,<ref name=HortusIII/> sourgum (correction: sourgum or Nyssa sylvatica grows in well-drained areas, not in swamps as Nyssa aquatica<ref>Nyssa sylvatica Marsh., Plant Fact Sheet https://plants.usda.gov/factsheet/pdf/fs_nysy.pdf</ref>), tupelo-gum,<ref name=GRIN/> or water-gum,<ref name=GRIN/> is a large, long-lived tree in the tupelo genus (Nyssa) that grows in swamps and floodplains in the Southeastern United States.<ref name="usfs">Template:Silvics</ref>
Nyssa aquatica trunks have a swollen base that tapers up to a long, clear bole, and its root system is periodically under water.<ref name="usfs"/> Water tupelo trees often occurs in pure stands.
A large mature tree can produce commercial timber used for furniture and crates. The swollen base of the Nyssa aquatica is the source of a favored wood of wood carvers.
Many kinds of wildlife eat the fruit, and it is a favored honey tree.<ref name="usfs"/>
- Louisiana State University: page on Nyssa aquatica in America,
- bioimages.vanderbilt.edu - Nyssa aquatica images
- woodworkingnetwork.com: "All About Tupelo Wood"