Kabocha
Asian variety of winter squash of the species Cucurbita maxima

Kabocha (; from Japanese カボチャ, 南瓜) is a type of winter squash, a Japanese variety of the species Cucurbita maxima. It is also called kabocha squash or Japanese pumpkin in North America. In Japan, kabocha may refer to either this squash, to the Western pumpkin, or indeed to other squashes. In Australia, "Japanese pumpkin" is a synonym of Kent pumpkin, a variety of winter squash (C. moschata).
Many of the kabocha in the market are kuri kabocha, a type created from seiyo kabocha (buttercup squash). Varieties of kabocha include Ajihei, Ajihei No. 107, Ajihei No. 331, Ajihei No. 335, Ebisu, Emiguri, Marron d'Or and Miyako.
Description
Kabocha is hard on the outside with knobbly-looking skin that is often dark green, red-orange, or gray.
Begin with the source’s own compact description: “Kabocha” is asian variety of winter squash of the species Cucurbita maxima. The dossier treats that line as a proposition to test through Kabocha, Asian and variety, not as a finished interpretation.
Why this record matters
The phrase “asian variety of winter squash of the species Cucurbita maxima” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Aug 13, 2026. The linked authority identifier is Q3191670. None of the 0 selected statements returned an explicit reference.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Kabocha” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.