Pyrus pashia
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''Pyrus pashia'', the wild Himalayan pear, is a small to medium size
deciduous In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, aft ...
tree of the small and oval shaped
crown A crown is a traditional form of head adornment, or hat, worn by monarchs as a symbol of their power and dignity. A crown is often, by extension, a symbol of the monarch's government or items endorsed by it. The word itself is used, partic ...
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).Parmar, C. and M.K. Kaushal 1982 ''Pyrus pashia Buch. & Ham'', p. 78–80. In: Wild Fruits. Kalyani Publishers, New Delhi, India.
/ref>


Distribution

''Pyrus pashia'' is distributed across the
Himalayas The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 100 ...
, from
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
to
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...
and from southern province of
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
to the northern region of
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
. It is also found in
Kashmir Kashmir () is the northernmost geographical region of the Indian subcontinent. Until the mid-19th century, the term "Kashmir" denoted only the Kashmir Valley between the Great Himalayas and the Pir Panjal Range. Today, the term encompas ...
,
Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...
and
Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...
.


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.


Morphology

''Pyrus pashia'' commonly occurs in mid-hill regions from the
Caucasus The Caucasus () or Caucasia (), is a region between the Black Sea and the Caspian Sea, mainly comprising Armenia, Azerbaijan, Georgia, and parts of Southern Russia. The Caucasus Mountains, including the Greater Caucasus range, have historically ...
to the
Himalaya The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 100 ...
, between above sea-level.http://herbs-treatandtaste.blogspot.com/2011/04/himalayan-wild-pear-pyrus-pashia.html. 2011 “HIMALAYAN WILD PEAR ( PYRUS PASHIA) - INFORMATION , USES AND MEDICINAL BENEFITS”, The trees themselves, unlike the fruit, are not much sold in the retail trade, and beyond those growing wild the species can be found almost exclusively in local home gardens. The average tree is tall and wide. Wooly or fuzzy leaves and young branchlets are a primary identification characteristic on young trees; both become smoother as the tree ages. The leaves of a mature tree are characterized as simple, long-pointed, toothed, hairless and shining with an ovate to ovate-lanceolate shape the length of which ranges from . Mature trees can have spiny branches with bark that is rough and quite dark, almost black in some cases. This can provide a dramatic backdrop to the tree's mass of bright white blooms in the spring and intense yellow foliage in the autumn.


Flowers

Flowers of ''Pyrus pashia'', 2 to 5 cm in diameter, are of white color that are slightly tinged with pink. They are pedicellate, ebracteate,
actinomorphic Floral symmetry describes whether, and how, a flower, in particular its perianth, can be divided into two or more identical or mirror-image parts. Uncommonly, flowers may have no axis of symmetry at all, typically because their parts are spirall ...
,
cyclic Cycle, cycles, or cyclic may refer to: Anthropology and social sciences * Cyclic history, a theory of history * Cyclical theory, a theory of American political history associated with Arthur Schlesinger, Sr. * Social cycle, various cycles in soc ...
,
hermaphrodite In reproductive biology, a hermaphrodite () is an organism that has both kinds of reproductive organs and can produce both gametes associated with male and female sexes. Many Taxonomy (biology), taxonomic groups of animals (mostly invertebrate ...
, and
epigynous In the flowering plants, an ovary is a part of the female reproductive organ of the flower or gynoecium. Specifically, it is the part of the pistil which holds the ovule(s) and is located above or below or at the point of connection with the bas ...
. 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
locule A locule (plural locules) or loculus (plural loculi) (meaning "little place" in Latin) is a small cavity or compartment within an organ or part of an organism (animal, plant, or fungus). In angiosperms (flowering plants), the term ''locule'' usu ...
s 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 An oval () is a closed curve in a plane which resembles the outline of an egg. The term is not very specific, but in some areas (projective geometry, technical drawing, etc.) it is given a more precise definition, which may include either one or ...
, 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. 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.


Nutrition

The nutritive contents of fruit are about 6.8% sugars, 3.7% protein, 1% ash, 0.4% pectin.2010 ''Pyrus pashia Hamilt”.
/ref> 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 five 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.


Growth rate

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


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

The wood of ''Pyrus pashia'' 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.


Uses


Food

The fruits of ''Pyrus pashia'' are edible and are used by locals.


Medicinal

Locals use the juice of the ripened fruit to treat
conjunctivitis Conjunctivitis, also known as pink eye, is inflammation of the conjunctiva, outermost layer of the white part of the eye and the inner surface of the eyelid. It makes the eye appear pink or reddish. Pain, burning, scratchiness, or itchiness may ...
by putting it in the eye of the diseased animal. They also use this juice, about 6 teaspoons twice a day, to treat diarrhea.


Other

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 or graftage is a horticultural technique whereby tissues of plants are joined so as to continue their growth together. The upper part of the combined plant is called the scion () while the lower part is called the rootstock. The succ ...
purpose. Its decayed fruits, leaves and twigs are also lopped for fodder. In addition to this it has the potential to control
erosion Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location where it is deposited. Erosion is distin ...
on steep hill sides.


Notes


External links

* * {{Taxonbar, from=Q5245913 pashia Trees of China Trees of the Indian subcontinent Trees of Indo-China