Common Name: Indian Persimmon

General Information

Indian persimmon is an evergreen tree with a much-branched, spreading crown; it can grow 15 - 37 metres tall. The straight, cylindrical bole is often fluted, it can be unbranched for 10 - 20 metres and 70cm in diameter[, , , ].
The plant is harvested from the wild for a range of uses including dye materials, gum, medicinal and edible fruit. The plant is also occasionally cultivated for its various uses, especially in India and Thailand[, ]. The tree is sometimes grown as an ornamental, being valued especially for the striking display when laden with its large red velvety fruits[, ].

Known Hazards

None known

Botanical References

Range

E. Asia - India, Sri Lanka, Nepal, Bangladesh, Myanmar, Thailand, Cambodia, Laos, Malaysia, Indonesia.

Habitat

Lowland rainforests; occurring scattered, typically along rivers and streams at elevations up to 300 metres[]. Often found in shady and wet sites near streams in the forest at elevations up to 500 metres[].

Properties

Edibility Rating
Medicinal Rating
Other Uses Rating
Habit	Evergreen Tree
Height	30.00 m
Pollinators	Insects
Cultivation Status	Cultivated, Ornamental, Wild

Cultivation Details

A plant of the moist, lowland tropics, where it is found at elevations up to 500 metres. It grows best in areas where annual daytime temperatures are within the range 25 - 35°c, but can tolerate 10 - 40°c[]. It prefers a mean annual rainfall in the range 1,500 - 2,500mm, but tolerates 1,000 - 3,000mm[].
Fairly tolerant of light levels, able to succeed in fairly dense shade as well as full sun[]. Succeeds in most soils that are fertile[]. Succeeds on shallow to deep soil with an alkaline to neutral pH[]. Prefers a pH in the range 6 - 7, tolerating 5 - 7.5[].
Productive trees can yield 4,000 fruits per year[].
We have seen no individual confirmation for this species, but in general Diospyros species are dioecious and require both male and female forms to be grown if fruit and seed are required[].

Edible Uses

Fully ripe fruits - raw[]. Edible, but usually not very palatable[]. A sweet flavour[]. The round, yellowish green berry is 2 - 5cm in diameter with up to 6 seeds in the soft pulp[]. When less than fully ripe the fruit can contain large quantities of tannin and are very astringent[].

Medicinal

The bark, leaves, flowers and fruits are much used in Ayurvedic medicine[].

The fruit, when unripe, is said to be cold, light, and astringent; and to possesses anti-bacterial and anthelmintic activity[, ]. It is used externally to heal sores and wounds[].
When ripe, the fruit is beneficial in treating diarrhoea and dysentery; blood diseases; gonorrhoea and leprosy[]. The fruit is also said to break fever, to be an antidote for snake poisoning, and to be demulcent[].

The juice of the fresh bark is useful in the treatment of bilious fevers.
Externally, the bark is said to be a good application for treating boils and tumours.

The medicinal properties of the plant are most likely due to the presence of tannins[].

The seeds are used as a treatment for diarrhoea and chronic dysentery[].
The oil extracted from the seeds is used medicinally[]..

Other Uses

The fruit, especially when unripe, contains a viscid pulp that is rich in tannins and is the source of a gum. It can be used to caulk boats; to paint the undersides of boats and thus act as a preservative; and as a gum and adhesive in bookbinding[, , ].
A dark oil prepared from the fruit (this is probably the gum[]) makes an excellent varnish for paper umbrellas and fans[].
An infusion of the fruit is used to toughen ropes and render them more durable in water[, ].
The unripe fruits (sometimes also the leaves) are a source of tannins that are used for dyeing silk and other clothes black[, ].

A valuable and highly decorative hardwood that is strong, hard, dense and very durable[, ]. It is used for items such as luxury furniture and wood carvings, and also as a raw material for boats and constructions (buildings, bridges etc[].

We do not have any more specific information for this species. However, though varying widely in the relative proportion and the colouring of sapwood and heartwood, all the woods of the genus Diospyros are practically indistinguishable as regards their structure, as described below:-[]
Whether or not a given species produces heartwood depends largely on the size the tree has attained, but evidently also on other conditions, as there is a wide variation in the relative amounts of sapwood and heartwood even in individuals of the same species. When produced, the heartwood can be black with rosy, yellowish, brownish, or ashy streaks, sometimes it is nearly or totally black; it is generally sharply demarcated from the thin to very wide band of whitish, yellowish, or red sapwood. The texture is fine, smooth and (especially in the heartwood) very dense; the grain is generally very straight. The wood is hard to very hard; heavy to very heavy; the sapwood is tough and flexible whilst the heartwood is brittle; the heartwood is very durable, the sapwood moderately so. It is difficult to season well, logs almost invariably checking in several directions from the heart outward, while sawn lumber must be stacked carefully and weighted to prevent warping; once thoroughly dried, however, it becomes very stable. Its density makes it difficult to work, but it takes a beautiful surface under sharp tools[].
Small trees containing little or no heartwood are used locally for posts, beams, joists, rafters, window sills, parts of agricultural implements, etc.; also, in lumbering, small poles are used for skids on account of their hardness, toughness and smooth wearing qualities. The heartwood (or sometimes sap and heart together) is used for scabbards, canes, hilts, tool handles, gunstocks, saw frames, etc.; it is a favorite for musical instruments, especially finger boards and keys of guitars; furniture, cabinetwork, inlaying; paper weights, inkstands and similar desk supplies; the sapwood, which is almost as hard as the heartwood and very much tougher, is an excellent material for T-squares and other drawing instruments, for shuttles, bobbins, spindles, golf-club heads and shafts, axe, pick, and hammer handles, etc[].

Propagation

Seed - it has a very short viability and so should be sown as soon as possible[]. The flesh should be removed since this contains germination inhibitors[]. Sow the seed in a shady position in a nursery seedbed. The sowing media for ebony uses soil and fine sand at the ratio 3:1. The seed is planted horizontally or vertically with
the radicle end down, with a sowing depth of 1 - 1½ times the thickness of seed. Distance between the seeds is 3 - 5cm. Seeds are very sensitive to desiccation during germination and early growth, so must be regularly watered at this time[]. Normally the seed will germinate after one week. In one trial, fresh seed, sown one day after collection, showed 85% germination rate within 17 - 65 days[].
As a rule fresh seeds have a high percentage of fertility. The seedlings develop long taproots at an early stage, often before any appreciable elongation of the shoot takes place. The growth of the seedling is decidedly slow [].

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Captcha: if i have 3 bananas, and i eat them all, how many bananas did i just eat?