An unripe fig of Ficus subcordata from a strangling fig growing at the Chapman Field, USDA Agricultural Research Station at Miami, Florida, USA. The fig tree that produced this fig was originally grown from a seed obtained by plant explorer David Fairchild in Java in 1926. See photos below.
Fig and leaf photos by Shuai LIAO of ARS Plant ref Pl.67502. Collection #20200011. Liao is a PHD student based at the Morton Arboretum, Chicago researching the genetic relationships of all the Section Conosycea (strangling figs).
There are an estimated 63 – 78 species of Section Conosycea figs in the world found from Madagascar east to the Solomon islands in the Pacific with a center of diversity on the island of Borneo which hosts an estimated 36+ species.