The leaves of the Nantucket Serviceberry are small and ovate-shaped. The margins are serrated, and the venation is pinnate and reticulate. They have silvery hairs on the underside when they first emerge but become smooth (glabrous) with time.
Twig and Bud Identification
The twigs of the Nantucket Serviceberry are gray to reddish-brown. The buds have many scales and are also reddish-brown. Sometimes the buds have slight pubescence.
The Nantucket Serviceberry’s bark is typically smooth and can have faint dark stripes.
The fruit of the Nantucket Serviceberry is a berry-like, dark purple pome. The diameter is usually around 1/4″ to 1/3″.
The Nantucket Serviceberry’s flowers are white and have 5 petals. They appear in clusters with about 7 to 10 flowers per cluster. They are narrow and spoon-shaped. This tree has a specialized ability called andropetaly, which means that they sometimes bear pollen on the ends of their petals. The pollen is yellow.