''Auricularia cornea'' (毛木耳, maomuer or cloud ear) is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
fungus
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...
in the
order
Order, ORDER or Orders may refer to:
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
* Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...
Auriculariales
The Auriculariales are an order of fungi in the class Agaricomycetes. Species within the order were formerly referred to the "heterobasidiomycetes" or "jelly fungi", since many have gelatinous basidiocarps (fruit bodies) that produce spores on ...
. It is commercially cultivated for food in China. The species was previously referred to ''Auricularia polytricha'', but the latter species is probably a later synonym. ''Auricularia cornea'' is a popular ingredient in many Chinese dishes and is also used in traditional Chinese medicine.
Taxonomy
''Auricularia cornea'' was originally described from Hawaii (
Oahu
Oahu () (Hawaiian language, Hawaiian: ''Oʻahu'' ()), also known as "The Gathering place#Island of Oʻahu as The Gathering Place, Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people—over t ...
) by German naturalist
Christian Gottfried Ehrenberg
Christian Gottfried Ehrenberg (19 April 1795 – 27 June 1876) was a German naturalist, zoologist, comparative anatomist, geologist, and microscopist. Ehrenberg was an evangelist and was considered to be of the most famous and productive scie ...
in 1820. It was accepted as a distinct species by Bernard Lowy in his 1952 world monograph of ''
Auricularia
''Auricularia'' is a genus of fungi in the family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maint ...
''
and subsequently confirmed as distinct by
molecular
A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion. In quantum physics, organic chemistry, and bioche ...
research, based on
cladistic
Cladistics (; ) is an approach to biological classification in which organisms are categorized in groups (" clades") based on hypotheses of most recent common ancestry. The evidence for hypothesized relationships is typically shared derived char ...
analysis of
DNA sequences
A nucleic acid sequence is a succession of bases signified by a series of a set of five different letters that indicate the order of nucleotides forming alleles within a DNA (using GACT) or RNA (GACU) molecule. By convention, sequences are usua ...
.
''Auricularia polytricha'', originally described from India (
Eastern Ghats
The Eastern Ghats are a discontinuous range of mountains along India's eastern coast. The Eastern Ghats pass through Odisha, Andhra Pradesh to Tamil Nadu in the south passing some parts of Karnataka as well as Telangana. They are eroded and cut ...
) by French mycologist
Camille Montagne
Jean Pierre François Camille Montagne (15 February 1784 – 5 December 1866) was a French military physician and botanist who specialized in the fields of bryology and mycology. He was born in the commune of Vaudoy in the department of Seine-et- ...
in 1834, is a probable later synonym.
Vernacular names
The species is called in Mandarin , lit. "cloud ear", , lit. "hairy wood ear"), and in
Japanese
Japanese may refer to:
* Something from or related to Japan, an island country in East Asia
* Japanese language, spoken mainly in Japan
* Japanese people, the ethnic group that identifies with Japan through ancestry or culture
** Japanese diaspor ...
it is called ''ara-ge-ki-kurage'' (
アラゲキクラゲ, lit. "rough-hair-tree-jellyfish"). It is one of several gelatinous fungi known as
wood ear
Wood-ear or tree ear (, Korean: 목이 버섯), also translated wood jellyfish or , can refer to a few similar-looking edible fungi used primarily in Chinese cuisine; these are commonly sold in Asian markets shredded and dried.
* ''Auricularia he ...
, wood fungus, ear fungus, or tree ear fungus, an allusion to their rubbery, ear-shaped fruitbodies.
In
Hawaii
Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
, it is known as ''pepeiao'' which means "ear" In Southeast Asia, it is known as bok née in local English (from the
Hokkien
The Hokkien () variety of Chinese is a Southern Min language native to and originating from the Minnan region, where it is widely spoken in the south-eastern part of Fujian in southeastern mainland China. It is one of the national languages in ...
木耳 ''bo̍k-ní'') and is used in the salad ''kerabu bok nee''. In
Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
and
Malaysia
Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
, it is called ''jamur kuping'', meaning "the ear mushroom", and in the
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
it is called ''tenga ng daga'', meaning "rat's ear", due to its appearance. In
Chinese cooking
Chinese cuisine encompasses the numerous cuisines originating from China, as well as overseas cuisines created by the Chinese diaspora. Because of the Chinese diaspora and historical power of the country, Chinese cuisine has influenced many ot ...
, it is often referred to as "Black Treasure".
In New Zealand, it is known as ''hakeke'' by
Māori
Māori or Maori can refer to:
Relating to the Māori people
* Māori people of New Zealand, or members of that group
* Māori language, the language of the Māori people of New Zealand
* Māori culture
* Cook Islanders, the Māori people of the C ...
.
The white, unpigmented form of ''A. cornea'' is called ''yumuer'' in China and is now cultivated.
Description
Fruit bodies solitary or clustered, ear-shaped, laterally attached to wood, sometimes by a very short stalk, elastic, gelatinous, pale brown to reddish brown, rarely white, up to 90 mm wide and 2 mm thick; upper surface densely hairy; under surface smooth. Under a microscope, the hairs on the upper surface are thick-walled, 180–425 × 6–9 μm. Basidia cylindrical, hyaline, three-septate, 60–75 × 4–6 μm. Spores hyaline, allantoid (sausage-shaped), 14–16.5 × 4.5–6 μm.
Habitat and distribution
''Auricularia cornea'' grows on dead fallen or standing wood of broadleaf trees. The species is widely distributed in southern Asia, Africa, Australasia and the Pacific, and South America.
Uses
''Auricularia cornea'' is usually sold in dried form, and needs to be soaked in water before use. While almost tasteless, it is prized for its slippery but slightly crunchy texture, and its potential nutritional benefits. The slight crunchiness persists despite most cooking processes. ''Auricularia cornea'' is coarser than ''
Auricularia heimuer
''Auricularia heimuer'', also known as heimuer () or black wood ear, is a species of fungus in the order Auriculariales. It is commercially cultivated for food in China at a value exceeding $4 billion (USD) per year. The species was previously r ...
'', and is more likely to be used in soups rather than stir-fries.
Māori
Māori or Maori can refer to:
Relating to the Māori people
* Māori people of New Zealand, or members of that group
* Māori language, the language of the Māori people of New Zealand
* Māori culture
* Cook Islanders, the Māori people of the C ...
traditionally cooked wood ear fungus by steaming in an earth oven and eating with
sow thistle
Sow thistle most often refers to yellow flowered, thistle-like plants in the genus ''Sonchus
''Sonchus'' is a genus of flowering plants in the tribe Cichorieae within the family Asteraceae and are commonly known as sow thistles (less commonly ...
and
potatoes
The potato is a starchy food, a tuber of the plant ''Solanum tuberosum'' and is a root vegetable native to the Americas. The plant is a perennial in the nightshade family Solanaceae.
Wild potato species can be found from the southern United ...
. From the 1870s to the 1950s, the fungus was collected and exported from New Zealand to China.
According to Chinese medicine practitioners, eating dried and cooked wood ear can have health benefits for people with high blood pressure or cancer, and can prevent coronary heart disease and arteriosclerosis.
This fungus is used in
Cantonese desserts
Cantonese or Guangdong cuisine, also known as Yue cuisine ( or ) is the cuisine of Guangdong province of China, particularly the provincial capital Guangzhou, and the surrounding regions in the Pearl River Delta including Hong Kong and Maca ...
.
A cup of dry cloud ear fungus contains 19.6 grams of dietary fibre.
See also
*
References
External links
Black Fungus
{{Taxonbar, from=Q10422716
Auriculariales
Chinese edible mushrooms
Edible fungi
Fungi in cultivation
Buddhist cuisine
Fungi of Asia
Fungi of Australia
Fungi of New Zealand
Fungi described in 1820
Fungi of Africa
Fungi of South America
Taxa named by Christian Gottfried Ehrenberg