Bunium bulbocastanum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Apiales
Family:	Apiaceae
Genus:	Bunium
Species:	B. bulbocastanum
Binomial name
Bunium bulbocastanum L.
Synonyms[1]
Bulbocastanum balearicum Sennen Bulbocastanum linnaei Schur Bulbocastanum mauritanicum Willk. Bulbocastanum mediterraneum Albert Bunium agrarium Albert Bunium aphyllum Jan ex DC. Bunium bulbosum Dulac Bunium collinum Albert Bunium crassifolium (Batt.) Batt. Bunium elatum (Batt.) Batt. Bunium fontanesii (Pers.) Maire Bunium majus Vill. Bunium mauritanicum (Boiss. & Reut.) Batt. Bunium mediterraneum Albert Bunium minus Gouan Bunium perotii Braun-Blanq. & Maire Carum bulbocastanum (L.) Koch Carum mauritanicum Boiss. & Reut. Carvi bulbocastanum (L.) Bubani Conopodium balearicum (Sennen) M.Hiroe Diaphycarpus incrassatus (Boiss.) Calest.

Bunium bulbocastanum is a plant species in the family Apiaceae. It was once used as a root vegetable in parts of western Europe, and has been called great pignut^[2][3] or earthnut.^[2]

Growth

The plant is native to western Europe.^[4] It reaches about 60 cm (24 in) tall and 25 cm (9.8 in) wide, bearing frilly leaves and hermaphroditic flowers; it is pollinated by insects and self-fertile.^{[citation needed]}

The small, rounded taproot is edible raw or cooked, and said to taste like sweet chestnuts.^{[citation needed]} The leaf can be used as an herb or garnish similar to parsley.