''Diospyros melanoxylon'', the Coromandel ebony or East Indian ebony, is a species of

flowering Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...

in the family

Ebenaceae The Ebenaceae are a family of flowering plants belonging to order Ericales. The family includes ebony and persimmon among about 768 species of trees and shrubs. It is distributed across the tropical and warmer temperate regions of the world. It i ...

native to

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

and

Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...

; it has a hard, dry bark. Its common name derives from

Coromandel Coromandel may refer to: Places India *Coromandel Coast, India ** Presidency of Coromandel and Bengal Settlements **Dutch Coromandel * Coromandel, KGF, Karnataka, India New Zealand *Coromandel, New Zealand, a town on the Coromandel Peninsula *Cor ...

, the coast of southeastern India. Locally it is known as ''temburini'' or by its

Hindi Modern Standard Hindi (, ), commonly referred to as Hindi, is the Standard language, standardised variety of the Hindustani language written in the Devanagari script. It is an official language of India, official language of the Government ...

name ''tendu''. In

Odisha Odisha (), formerly Orissa (List of renamed places in India, the official name until 2011), is a States and union territories of India, state located in East India, Eastern India. It is the List of states and union territories of India by ar ...

Jharkhand Jharkhand (; ) is a States and union territories of India, state in East India, eastern India. The state shares its border with the states of West Bengal to the east, Chhattisgarh to the west, Uttar Pradesh to the northwest, Bihar to the north ...

, and

Assam Assam (, , ) is a state in Northeast India, northeastern India, south of the eastern Himalayas along the Brahmaputra Valley, Brahmaputra and Barak River valleys. Assam covers an area of . It is the second largest state in Northeast India, nor ...

, it is known as ''kendu''. In

Andhra Pradesh Andhra Pradesh (ISO 15919, ISO: , , AP) is a States and union territories of India, state on the East Coast of India, east coast of southern India. It is the List of states and union territories of India by area, seventh-largest state and th ...

, and

Telangana Telangana is a States and union territories of India, state in India situated in the Southern India, south-central part of the Indian subcontinent on the high Deccan Plateau. It is the List of states and union territories of India by area, ele ...

it is known as ''tuniki''. The leaves can be wrapped around tobacco to create the Indian ''

beedi A beedi (also spelled bidi or biri) is a thin cigarette or cigar, mini-cigar filled with tobacco flake and commonly wrapped in a tendu (''Diospyros melanoxylon'') or ''Piliostigma racemosum'' leaf tied with a string or adhesive at one end. It ...

'', which has outsold conventional cigarettes in India. The olive-green fruit of the tree is edible.

Pharmacology

The leaf of the tree contains valuable

flavone Flavone is an organic compound with the formula . A white solid, flavone is a derivative of chromone with a phenyl (Ph) substituent adjacent to the ether group. The compound is of little direct practical importance, but substituted derivatives, ...

s. The pentacyclic

triterpene Triterpenes are a class of terpenes composed of six isoprene units with the molecular formula C30H48; they may also be thought of as consisting of three terpene units. Animals, plants and fungi all produce triterpenes, including squalene, the pre ...

s found in the leaves possess antimicrobial properties, while the bark shows

antihyperglycemic Drugs used in diabetes treat types of diabetes mellitus by decreasing glucose levels in the blood. With the exception of insulin, most GLP-1 receptor agonists (liraglutide, exenatide, and others), and pramlintide, all diabetes medications are a ...

activity. The bark of four ''Diospyros'' species found in India has been determined to have significant

antiplasmodial ''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a verteb ...

effects against ''

Plasmodium falciparum ''Plasmodium falciparum'' is a Unicellular organism, unicellular protozoan parasite of humans and is the deadliest species of ''Plasmodium'' that causes malaria in humans. The parasite is transmitted through the bite of a female ''Anopheles'' mos ...

'', which causes

malaria Malaria is a Mosquito-borne disease, mosquito-borne infectious disease that affects vertebrates and ''Anopheles'' mosquitoes. Human malaria causes Signs and symptoms, symptoms that typically include fever, Fatigue (medical), fatigue, vomitin ...

in humans.

Method of collection

Tendu leaves are used as a wrapper for

. During the summer, fresh leaves are produced by the suckers that emerge from the soil. This is also enhanced by lighting a fire beneath the Tendu tree. The fresh leaves are hand-picked by the tribals and dried in the sun for 10 days. This practice is seen in

Maharashtra Maharashtra () is a state in the western peninsular region of India occupying a substantial portion of the Deccan Plateau. It is bordered by the Arabian Sea to the west, the Indian states of Karnataka and Goa to the south, Telangana to th ...

Madhya Pradesh Madhya Pradesh (; ; ) is a state in central India. Its capital is Bhopal and the largest city is Indore, Indore. Other major cities includes Gwalior, Jabalpur, and Sagar, Madhya Pradesh, Sagar. Madhya Pradesh is the List of states and union te ...

and

Chhattisgarh Chhattisgarh (; ) is a landlocked States and union territories of India, state in Central India. It is the List of states and union territories of India by area, ninth largest state by area, and with a population of roughly 30 million, the List ...

states of

. The State Government gives the license for collection and processing of the tendu leaves through tender every year.

Culture and mythology

Tendu, also known as ''Tiril,'' and ''Kendu'' has cultural and mythological reference as well. According to the

Munda people The Munda people are an Austroasiatic-speaking ethnic group of the Indian subcontinent. They speak Mundari as their native language, which belongs to the Munda subgroup of Austroasiatic languages. The Munda are found mainly concentrated in ...

, during the ancient ''Sengael Deaah'' (an event of raining fire) their predecessors took shelter in the

tree hollow A tree hollow or tree hole is a semi-enclosed cavity which has naturally formed in the trunk or branch of a tree. They are found mainly in old trees, whether living or not. Hollows form in many species of trees. They are a prominent feature of n ...

of the ''Tiril'' tree. ''Tiril(tendu)'' tree is considered not easily flammable. A tree hollow in the tiril tree is a usual sight as the tribes strike the trunk with big stones in order to make the ripened fruit fall. This repeated striking over time makes a hole in the tree. Due to the non-flammable nature of the tree, after the plantation of paddy, the tribes plant a branch of it in the field in order to protect the crop from any events of ''Sengael Deaah'' in the future. Tendu tree is also used in making

hockey stick A hockey stick is a piece of sports equipment used by the players in all the forms of hockey to move the ball or puck (as appropriate to the type of hockey) either to push, pull, hit, strike, flick, steer, launch or stop the ball/Hockey puck, puc ...

s by the

adivasi The Adivasi (also transliterated as Adibasi) are heterogeneous tribal groups across the Indian subcontinent. The term is a recent invention from the 20th century and is now widely used as a self-designation by groups classified as Scheduled Tr ...

s of

and

. A young and straight branch of the tree is heated in fire and slowly shaped into the curves of a hockey stick. Many villages have been named after the location and presence of the tree in the neighbourhood. These include Tiril Posi, Tiril, Tiril Haatu, Kenduda('''Tendu is also known as Kendu in the South Chotanagpur region) in

and the Kendhujhar district in

Varieties

There is one named variety of this species, ''Diospyros melanoxylon'' var. ''tupru.''

References

{{Taxonbar, from=Q2672321

melanoxylon ''Melanoxylum'' is genus of plants in the legume family, Fabaceae. It includes a single species, ''Melanoxylum brauna'', the yellow-flowered brauna tree. It is native to eastern Brazil. The genus is part of subfamily Caesalpinioideae Caesalpi ...

Flora of India (region) Trees of Sri Lanka Non-timber forest products Taxa named by William Roxburgh