It's most common in hard maple, but also occurs in birch, ash and, in rare cases, black walnut.

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To give the formal areas of the house a stately feel, he installed black double doors, stained black walnut flooring, and blue velvet curtains.

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Their joint purchase opens with a grand, two-story entrance with black walnut parquet floors and leads to a living room with cathedral-height ceilings and stone fireplace.

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Welsh Abergavenny for its recently Michelin-starred Walnut Tree and Black Mountains lamb, and Manchester-neighbour Ramsbottom for its wild garlic and South Indian cuisine.

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