Biology:Black adzuki bean

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Short description: Seed of Vigna angularis
Black adzuki bean
SpeciesVigna angularis
OriginKorea
Korean name
Hangul
검은팥
Revised Romanizationgeomeunpat
McCune–Reischauerkŏmŭnp'at
IPA[kʌ.mɯn.pʰat̚]

A variety of adzuki beans (Vigna angularis) that are black.[1]

In Korean, they are called geomeunpat (검은팥; "black adzuki beans"), geomjeongpat (검정팥; "black adzuki beans"), heukdu (흑두; 黑豆; "black beans"), or heuksodu (흑소두; 黑小豆; "black small beans").[1][2] Gugeupbang eonhae, a 1466 medical book, mentions it using the name geomeunpɑt (Template:Script/Korean).[3]

The skin is thinner than that of the usual red adzuki beans, thus it is often husked prior to cooking, which gave this cultivar the name geopipat (거피팥; "dehulled adzuki beans").[4] White adzuki bean powder (geopipat-gomul) and white adzuki bean paste (geopipat-so) made from husked black adzuki beans are used in Korean rice cakes and confections.[5]

Confusingly, the Japanese Okinawan kuroazuki (黒小豆; "black adzuki beans") are not adzuki beans, but black cowpeas (Vigna unguiculata).[6]

References