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 ovalifolia Diospyros ovalifolia Diospyros ovalifolia, known as bastard ebony, is a tree in the family, Ebenaceae (Ebony family), endemic to the leeward side of South Sahyadri of Western Ghats of India and Sri Lanka. Full grown trees usually stand 12m tall. Young branches are sparse-adpressed hairy. Leaves are simple, alternate, and distichous. Petiole is 0.5-1.0 cm long, canaliculate and glabrous. Lamina is 5-13 x 1.5–5 cm, usually narrow obovate. The leaf is coriaceous and glabrous with entire margin. Secondary veins are in 6-9 pairs. Trees are found in dry evergreen forests up to 800 m altitude. With mature crowns occupying the