Ficus microcarpa is a tropical tree with smooth light-gray bark and entire oblanceolate leaves about 2-2.5 inches (5–6 cm) long which in Mediterranean climates grows to about forty feet (twelve meters) tall and with an equal spread of crown. Where conditions are favorable for the banyan habit (tropical and humid subtropical) it grows much larger, producing great numbers of prop roots. The largest known specimen is Auntie Sarah's Banyan at the Menehune Botanical Gardens near Nawiliwili, Kauai, Hawai'i which is 110.0 feet (33.53 meters) in height, 250 feet (76.2 meters) in crown spread, and having over one thousand aerial trunks.