Appearance
It has a smooth, slender, curving stem, up to 1 m high, much-divided leaves, and small, white flowers in many-rayed terminal compound umbels.
Naming
The plant has many English name, variously including kippernut, cipernut, arnut, jarnut, hawknut, earth chestnut, groundnut, and earthnut. From its popularity with pigs come the names pignut, hognut, and more indirectly Saint Anthony's nut, for Anthony the Great or Anthony of Padua, both patron saints of swineherds.Uses
The rounded "nut" is similar to a chestnut in its brown colour and its size , and its sweet, aromatic flavour has been compared to that of the chestnut, hazelnut, sweet potato, and Brazil nut. Palatable and nutritious, its eating qualities are widely praised, and it is popular among wild food foragers, but it remains a minor crop, due in part to its low yields and difficulty of harvest.References:
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