Indian Corn
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Flint corn (''
Zea mays Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. Th ...
'' var. ''indurata''; also known as Indian corn or sometimes calico corn) is a variant of
maize Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. Th ...
, the same species as common corn. Because each kernel has a hard outer layer to protect the soft
endosperm The endosperm is a tissue produced inside the seeds of most of the flowering plants following double fertilization. It is triploid (meaning three chromosome sets per nucleus) in most species, which may be auxin-driven. It surrounds the embryo and ...
, it is likened to being hard as
flint Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools and start fir ...
; hence the name. The six major types of corn are
dent corn Dent corn, also known as grain corn, is a type of field corn with a high soft starch content. It received its name because of the small indentation, or "dent", at the crown of each kernel on a ripe ear of corn. Reid's Yellow Dent is a variety de ...
, flint corn,
pod corn Pod corn or wild maize is a variety of maize. It is not a wild ancestor of maize but rather a mutant that forms leaves around each kernel. Pod corn (''tunicata'' Sturt) is not grown commercially, but it is preserved in some localities. Pod corn ...
,
popcorn Popcorn (also called popped corn, popcorns or pop-corn) is a variety of corn kernel which expands and puffs up when heated; the same names also refer to the foodstuff produced by the expansion. A popcorn kernel's strong hull contains the se ...
,
flour corn Flour corn (''Zea mays'' var. ''amylacea'') is a variety of corn with a soft starchy endosperm and a thin pericarp. It is primarily used to make corn flour Cornflour may refer to: * Cornflour (in the UK), corn starch, from the endosperm of ...
, and
sweet corn Sweet corn (''Zea mays'' convar. ''saccharata'' var. ''rugosa''), also called sugar corn and pole corn, is a variety of maize grown for human consumption with a high sugar content. Sweet corn is the result of a naturally occurring recessive muta ...
.


History

With less soft
starch Starch or amylum is a polymeric carbohydrate consisting of numerous glucose units joined by glycosidic bonds. This polysaccharide is produced by most green plants for energy storage. Worldwide, it is the most common carbohydrate in human diets ...
than
dent corn Dent corn, also known as grain corn, is a type of field corn with a high soft starch content. It received its name because of the small indentation, or "dent", at the crown of each kernel on a ripe ear of corn. Reid's Yellow Dent is a variety de ...
(''
Zea mays Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. Th ...
indentata''), flint corn does not have the dents in each kernel from which dent corn gets its name. This is one of the three types of corn cultivated by Native Americans, both in New England and across the northern tier, including tribes such as the
Pawnee Pawnee initially refers to a Native American people and its language: * Pawnee people * Pawnee language Pawnee is also the name of several places in the United States: * Pawnee, Illinois * Pawnee, Kansas * Pawnee, Missouri * Pawnee City, Nebraska * ...
on the
Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...
.
Archaeologist Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscap ...
s have found evidence of such corn cultivation in what is now the United States before 1000 BC. Corn was originally domesticated in Mexico by native peoples about 9,000 years ago. They used many generations of selective breeding to transform a wild
teosinte ''Zea'' is a genus of flowering plants in the grass family. The best-known species is ''Z. mays'' (variously called maize, corn, or Indian corn), one of the most important crops for human societies throughout much of the world. The four wild sp ...
grass with small grains into the rich source of food that is modern ''Zea mays''.


Distinctive traits

Because flint corn has a very low water content, it is more resistant to freezing than other vegetables. It was the only
Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...
crop to survive
New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provinces ...
's infamous "
Year Without a Summer The year 1816 is known as the Year Without a Summer because of severe climate abnormalities that caused average global temperatures to decrease by . Summer temperatures in Europe were the extreme weather, coldest on record between the years of 1 ...
" of 1816.


Coloration

The coloration of flint corn is often different from white and yellow dent corns, many of which were bred later. Most flint corn is multi-colored. Like the Linnaeus variant of maize, any kernel may contain the yellow pigment
zeaxanthin Zeaxanthin is one of the most common carotenoids in nature, and is used in the xanthophyll cycle. Synthesized in plants and some micro-organisms, it is the pigment that gives paprika (made from bell peppers), corn, saffron, goji ( wolfberries), ...
but at more varying concentrations. Regional varieties with specific coloration include
Blue corn Blue corn (also known as Hopi maize, Yoeme Blue, Tarahumara Maiz Azul, and Rio Grande Blue) is several closely related varieties of flint corn grown in Mexico, the Southwestern United States, and the Southeastern United States. It is one ...
and
Purple corn Purple corn ( es, maíz morado) or purple maize is group of flint maize varieties ( Zea mays indurata) originating in South America, descended from a common ancestral variety termed "k'culli" in Quechua. It is most commonly grown in the Andes of Pe ...
.


Uses

Popcorn Popcorn (also called popped corn, popcorns or pop-corn) is a variety of corn kernel which expands and puffs up when heated; the same names also refer to the foodstuff produced by the expansion. A popcorn kernel's strong hull contains the se ...
(''Zea mays everta'', "corn turned inside out") is considered a variant of this type. It has a hard, slightly translucent kernel.''New Oxford American Dictionary'' Flint corn is also the type of corn preferred for making
hominy Hominy (Spanish: maíz molido; literally meaning "milled corn") is a food produced from dried maize (corn) kernels that have been treated with an alkali, in a process called nixtamalization ( is the Nahuatl word for "hominy"). "Lye hominy" is a ...
, a staple food in the Americas since
pre-Columbian In the history of the Americas, the pre-Columbian era spans from the original settlement of North and South America in the Upper Paleolithic period through European colonization, which began with Christopher Columbus's voyage of 1492. Usually, th ...
times. In the United States the flint corn cultivars that have large proportions of kernels with
hue In color theory, hue is one of the main properties (called Color appearance model#Color appearance parameters, color appearance parameters) of a color, defined technically in the CIECAM02 model as "the degree to which a Stimulus (physiology ...
s outside the
yellow Yellow is the color between green and orange on the spectrum of light. It is evoked by light with a dominant wavelength of roughly 575585 nm. It is a primary color in subtractive color systems, used in painting or color printing. In the R ...
range are primarily used ornamentally as part of
Thanksgiving Thanksgiving is a national holiday celebrated on various dates in the United States, Canada, Grenada, Saint Lucia, Liberia, and unofficially in countries like Brazil and Philippines. It is also observed in the Netherlander town of Leiden and ...
decorations. They are often called either "ornamental corn" or "Indian corn", although each of those names has other meanings as well. These varieties can be popped and eaten as popcorn, although many people incorrectly believe that such colored varieties are not palatable or are poisonous.


References

{{Taxonbar, from=Q3303407 Maize varieties