Diospyros virginiana In respect to the power of making heartwood, the persimmon rarely develops any heartwood until it is nearly one hundred years old. This heartwood is extremely close-grained and almost black, resembling ebony (of which it is a true variety). It is a common misconception persimmon fruit needs frost to ripen and soften, called bletting. Some, such as the early-ripening varieties "pieper" and "NC21"(also known as "supersweet"), easily lose astringency and become completely free of it when slightly soft at the touch—these are then very sweet, even in the British climate. On the other hand, some varieties (like the very large
Diospyros malabarica in Thailand. Both the bark of the tree and the unripe fruit have medicinal uses in Ayurveda. This tree was mentioned as "Tinduka" by Sanskrit writers. Unripe leaves and fruits were traditionally used to dye cloth black. Diospyros malabarica Diospyros malabarica, the gaub tree, Malabar ebony, black-and-white ebony or pale moon ebony, is a species of flowering tree in the family Ebenaceae that is native to the Indian Subcontinent and South East Asia. It is a long-lived, very slow-growing tree, which can reach up to 35 m in height with a black trunk up to 70 cm in diameter. The