Pyrus pashia
Encyclopedia
The Wild Himalayan Pear, Pyrus pashia, is a small to medium size deciduous
Deciduous
Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

 tree of the small and oval shaped crown
Crown (botany)
The crown of a plant refers to the totality of the plant's aboveground parts, including stems, leaves, and reproductive structures. A plant canopy consists of one or more plant crowns growing in a given area....

 with ovate, finely toothed leaves, attractive white flowers with red anthers and small pear-like fruits. It is a fruit bearing tree that is native to southern Asia. Locally, it is known by many names such as batangi (Urdu), tangi (Kashmiri), mahal mol (Hindi) and passi (Nepal).

Distribution

Pyrus pashia is distributed across the Himalayas
Himalayas
The Himalaya Range or Himalaya Mountains Sanskrit: Devanagari: हिमालय, literally "abode of snow"), usually called the Himalayas or Himalaya for short, is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau...

, from Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

 to Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 and from southern province of China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 to the northern region of India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. It is also found in Kashmir
Kashmir
Kashmir is the northwestern region of the Indian subcontinent. Until the mid-19th century, the term Kashmir geographically denoted only the valley between the Great Himalayas and the Pir Panjal mountain range...

, Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

 and Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

.

Habitat and Ecology

Pyrus pashia is a tolerant tree that grows on sandy loamy soil that is well drained. It is adapted to a precipitation zone that ranges from 750 to 1500mm/yr or more, and a temperature that ranges from -10 to 35 C.

Morpohology

The trees of Pyrus pashia, common occurrence in the mid-hill region between 750 and 2,600 meters above the sea-level, are exclusively grown in home gardens of locals. The average trees are 6 to 10 m tall and 50 cm wide. Tomentose leaves and branches are chief characteristic of young trees that glabrescent as they age.. Mostly, mature tree’s leaves are characterized as being simple, long-pointed, toothed, hairless, shining and ovate to ovate-lanceolate shaped with length ranges from 5 to 10 cm.Also, mature trees have spiny branches with dark brown to black bark.

Flowers

Flowers of Pyrus pashia‘s, ranges 2 to 5 cm in diameter, are of white color that are slightly tinged with pink. They are pedicellate, ebracteate, actinomorphic, cyclic, hermaphrodite
Hermaphrodite
In biology, a hermaphrodite is an organism that has reproductive organs normally associated with both male and female sexes.Many taxonomic groups of animals do not have separate sexes. In these groups, hermaphroditism is a normal condition, enabling a form of sexual reproduction in which both...

, and epigynous. Flowers borne on spurs and each spur usually bear 3 to 11 flowers. Each flower has 5 sepals and 5 petals along with 15 to 20 red colored stamens that are slightly shorter than petals. They have inferior ovary with 3 to 5 loculed and each locule contains 2 ovules.

Fruit

Pyrus pashia is a fruit bearing tree. Its fruit is edible and characterized as being pome. It looks like the russet apple and has an astringent but sweet taste when ripe.

The early fruit is mostly of light green color but at maturity, its color turns blackish brown with numerous yellow and white dots on its skin surface. The shape of fruit is often described as oblate, ovoid, obovoid, oval or quince. On average the fruit diameter ranges from 1 to 4 cm and the height ranges from 2 to 5 cm.

Fruit of Pyrus pashia is best to eat when it is slightly decaying. It is set apart from the cultivated pears by having a grittier texture. Furthermore, the fully ripe fruit has a reasonable flavor and, when bletted, is sweet and very pleasant to eat. It requires May to December time period to mature. A mature tree yields about 45 kg of fruit per year.

However, it is rarely found in local, national and international markets as it is not a major cultivated tree and also the fruit are very soft and highly perishable at maturity therefore, it cannot withstand the vogue.

Nutrition

The nutritive contents of fruit are about 6.8% sugars, 3.7% protein, 1% ash, 0.4% pectin. It also contains a low content of Vitamin C, about 1.2 mg per 100g.

The percentage contents of some of the mineral elements in the fruit are phosphorus, 0.026 percent, potassium, 0.475 percent, calcium, 0.061 percent, magnesium, 0.027 percent, and iron, 0.006 percent.

Seed

Single fruit contain approximately 5 black colored seeds. They are often shaped like a pear and are small, and light weight. They are approximately 7 mm long, 2.5 mm wide, and weigh about 21 mg.

Reproduction

Sexual reproduction and vegetative reproduction is common mean of reproduction in Pyrus pashia. Seed stored under refrigerated conditions will remain viable for 2 to 3 years.

Reproductively

Growth of 30 cm in diameter of Pyrus pashia has been recorded over the period of 8 years.

The Flowering and Fruiting Season

The flowering season varies between late February and April. The fruits begin to ripen from the first week of November and continue to do so till the last week of December.

Wood Properties

Pyrus pashia’s wood is often hard, heavy and strong with light reddish brown color. Its wood grain consists of a very fine, straight and even textured wood. Its density has a specific gravity of 0.70.

Diseases and Infections

The fruit and leaves are susceptible to a scab infection. Once scab gets in contact with plant it will rapidly spread through the root sprouts.

Medicinal

Locals use the juice of the ripped fruit to treat conjunctivitis
Conjunctivitis
Conjunctivitis refers to inflammation of the conjunctiva...

 by putting it in the eye of the diseased animal. They also use this juice, about 6 teaspoons twice a day, to treat diarrhea. It is also believed that consumption of its fruit can also help reduce the risks of colon cancer and can prevent the growth of polyps
Colorectal polyp
A colorectal polyp is a polyp occurring on the lining of the colon or rectum. Untreated colorectal polyps can develop into colorectal cancer....

.

Other Usage

Its wood is used for fuel as well as for making agricultural implements, walking sticks, combs, etc. Large limbs of this tree are used for fencing.. Its root stocks are used for grafting
Grafting
Grafting is a horticultural technique whereby tissues from one plant are inserted into those of another so that the two sets of vascular tissues may join together. This vascular joining is called inosculation...

 purpose. Its decayed fruits, leaves and twigs are also lopped for fodder . In addition to this it has the potential to control erosion
Erosion
Erosion is when materials are removed from the surface and changed into something else. It only works by hydraulic actions and transport of solids in the natural environment, and leads to the deposition of these materials elsewhere...

on steep hill sides.
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