Diospyros pilosanthera ssp. pilosanthera, known as Bolong-eta, is a native ebony species.
A medium sized tree, Bolong-eta grows around 27 meters in the wild. Much like other Diospyros species it has dark wood with distinctive bark that cracks and is dark. It has alternating leaves like other persimmon species, it is also leathery and glabrous once mature, the shape can vary from oblong, oblong-ovate, or even subelliptic, the base is round while the tips are usually acuminate. White dioecious flowers, the pistillate flowers are solitary while the staminate flowers are cymose, both of them are axillary. The fruit is a simple berry with a subellipsoid shape, the fruit is only 2 cm in diameter and has a persistent large and woody calyx. It is native to Northern Luzon to Palawan and Mindanao. The immature leaves sprout as shiny red and it gradually develops into dark green mature leaves. The wood is known to be used for furniture, tool handles, guitar finger boards and keys, weaving instruments such as shuttles, bobbins and spindles, as well as combs and other novelties. The flowering season has been recorded in March. The seeds are recalcitrant, which means it needs to be sown immediately. The fallen mature fruit can be planted straight into potting media.
