Cucurbita maxima
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Cucurbita maxima, one of at least five species of cultivated squash, is one of the most diverse domesticated species. This species originated in South America from the wild subspecies Cucurbita maxima subsp. andreana over 4,000 years ago. Cucurbita maxima, known for modern varieties as Hubbard, Delicious, Marblehead, Boston Marrow, and Turks Turban, originated in northern Argentina near the Andes or in certain Andean valleys. Secondary centers of diversity include India, Bangladesh, Myanmar, and the southern Appalachians.
Cucurbita maxima subsp. andreana fruits (top), plant in the middle of the season (middle) and fruits left at the end of the season (bottom). The opaque ones are fruits left on earlier seasons from a different plant on the same place.
Different fruit types of C. maxima subsp. andreana from Argentina
A Pink Banana squash, cut, with seeds removed, with a U.S. quarter for size comparison.
A buttercup squash.
Landrace
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A landrace is a domesticated, locally adapted, often traditional variety of a species of animal or plant that has developed over time, through adaptation to its natural and cultural environment of agriculture and pastoralism, and due to isolation from other populations of the species. Landraces are distinct from cultivars and from standard breeds.
Domestic shorthair cat, a landrace of Felis catus
A basket of landrace snap melons Cucumis melo subspecies agrestis, cultivar group Momordica from Pemba town, northern Mozambique. The landrace incorporates different colours and patterns of the fruit surface and is the only melon cultivar group in northern Mozambique.[citation needed]
A morphologically diverse group of fruit from the Zapallo Plomo landrace of Cucurbita maxima squash
Carosello and Barattiere, Italian landraces of Cucumis melo whose fruits are eaten unripe