farkleberry

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A shrub or small tree (Vaccinium arboreum) of the southeast United States, having hard black berries. Also called sparkleberry.

Century Dictionary and Cyclopedia

1. n. The Vaccinium arboreum, a shrub or small tree of the southern United States, bearing a small, black, many-seeded berry, with a dry and rather astringent pulp. The wood is hard and very close-grained, and is used to some extent in turning.

Wiktionary

1. n. uncountable A species of Vaccinium (Vaccinium arboreum) native to the southeastern United States, from southern Virginia west to southeastern Missouri, and south to Florida and eastern Texas; taking the form of shrub (rarely a small tree) growing to 3-5 m (rarely 9 m) tall.
2. n. countable A berry from a shrub of this species.

WordNet 3.0

1. n. shrub or small tree of eastern United States having black inedible berries