|Family: Juglandaceae (View Members of Juglandaceae)
Genus and species: Carya glabra
Leaves: The leaves are compound and 6-10" (15-26cm) long with five leaflets that are each 3-6" (7.5-15cm) long. (View Measured Leaf) The leaflets are pointed at the ends (lance-shaped), are finely saw-toothed and have very short stalks. The leaves are green on top, paler on the bottom, and hairless.(View Leaves)
Bark: The bark is light gray and can vary from being smooth, to having forking ridges.(View Bark) The twigs are brown and hairless.
Fruit: The fruit is a pear-shaped, thick-shelled nut with a husk about 1-2" (2.5-5cm) in diameter. The husk that surrounds the bitter or sweet nut is relatively thin, and splits in the middle once ripe.(View Fruit)
Tree: The tree can grow to be 60-80' (18-24m) tall, with a spreading crown, as pictured to the left.
Range and Habitat: These trees are located from Ontario, east to New England, south to Florida, west to Texas and north to Illinois. They are usually found in dry or moist uplands.
Pignut Hickory Tree (Brandeis University, Waltham, MA, 9/29/02)