Which leafy green variety of endive grows pale and tight due to cultivation in darkness?

Answer

Belgian endive (witloof)

The category of endive encompasses several related leafy greens from the *Cichorium* genus, each presenting differently based on cultivation methods. The Belgian endive, also known by its alternative name *witloof*, is characterized by a specific growing process. To achieve its tight head structure and pale, whitish appearance, it must be forced to grow in darkness, effectively blanching the leaves. In contrast, curly endive, or frisée, is known for its more open and ruffled leaf structure, implying exposure to light during its growth cycle, resulting in a greener appearance.

Which leafy green variety of endive grows pale and tight due to cultivation in darkness?
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