Butternut squash also known in Australia and New Zealand as butternut pumpkin, is a type of winter squash

Squash (fruit)

Squashes generally refer to four species of the genus Cucurbita, also called marrows depending on variety or the nationality of the speaker...

. It has a sweet, nutty taste similar to that of a pumpkin

Pumpkin

A pumpkin is a gourd-like squash of the genus Cucurbita and the family Cucurbitaceae . It commonly refers to cultivars of any one of the species Cucurbita pepo, Cucurbita mixta, Cucurbita maxima, and Cucurbita moschata, and is native to North America...

. It has yellow skin and orange fleshy pulp. When ripe, it turns increasingly deep orange, and becomes sweeter and richer. It grows on a vine

Vine

A vine in the narrowest sense is the grapevine , but more generally it can refer to any plant with a growth habit of trailing or scandent, that is to say climbing, stems or runners...

. The most popular variety, the Waltham Butternut, originated in Waltham, Massachusetts

Waltham, Massachusetts

Waltham is a city in Middlesex County, Massachusetts, United States, was an early center for the labor movement, and major contributor to the American Industrial Revolution. The original home of the Boston Manufacturing Company, the city was a prototype for 19th century industrial city planning,...

, where it was developed at the Waltham Experiment Station by Robert E.