"Vaccinium arboreum (sparkleberry or farkleberry) is a species of Vaccinium"
"The flowers are white, bell-shaped, and 3–4 mm (0.12-0.16 inches) in diameter with a five-lobed corolla, produced in racemes up to 5 cm (2 inches) long. The fruit is a round dry berry about 6 mm (0.24 inches) in diameter, green at first, black when ripe, edible but bitter and tough"