Nyssa sylvatica Marshall var. caroliniana (Poir.) Fernald
Nyssa sylvatica Marshall var. dilatata Fernald
Nyssa sylvatica Marshall var. typica Fernald
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Nyssa sylvatica Marshall Black gum, black tupelo, swamp tupelo
Black gum is native to eastern North America. Identification: Black gum trees are 30-80' (9.1-24 m) tall and 20-30' (6.1-9.1 m) wide. The trunks are 20-39" (50-100 cm) in diameter. Dark gray bark becomes deeply cracked and scaly in appearance on older trees. Leaves are approximately oval-shaped, wider toward the end of the leaf, 1¾-4½" (5-12 cm) long. They are somewhat to very shiny, dark green, and typically smooth-edged. In the fall, leaves become dark purple or scarlet. Inconspicuous flowers are greenish-white, though they do have the rather unusual distinction of being polygamo-dioecious, in case you are keeping track. (This means that trees have mostly either male or female flowers, but a few of the opposite sex as well, yet another variation in the confusing sexuality of plants.) Fruits are black or blue in color, about ⅜" (1 cm) long. Online References:
The USDA Forest Service's Fire Effects Information Database The USDA Forest Service's Silvics of North America site The Ohio State University PLANTFacts database
8/14/2010 · George & Jan’s, Chelmsford, Massachusetts
10/3/2010 · Tarkill Interpretive Trail, Rte 402, Poconos, Peck’s Pond, Pennsylvania
5/14/2012 · Acton Arboretum, Acton, Massachusetts
8/14/2010 · George & Jan’s, Chelmsford, Massachusetts
8/14/2010 · George & Jan’s, Chelmsford, Massachusetts Nyssa sylvatica description by Thomas H. Kent, last updated 25 May 2020.
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9/14/2010 · Garden in the Woods, Framingham, Massachusetts
8/14/2010 · George & Jan’s, Chelmsford, Massachusetts
7/29/2023 · By Jacquelyn Boyt
10/3/2010 · Tarkill Interpretive Trail, Rte 402, Poconos, Peck’s Pond, Pennsylvania
9/14/2010 · Garden in the Woods, Framingham, Massachusetts Range:
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