Hognut

Hognut or pignut can mean any of a number of unrelated plants:


 * Bunium bulbocastanum (black cumin) or Conopodium majus (kippernut) of the Apiaceae
 * rushpeas, particularly Hoffmannseggia glauca (Indian rushpea) and Hoffmannseggia densiflora, of the Fabaceae
 * Carya glabra (pignut hickory) of the Juglandaceae
 * Hyptis suaveolens (chan), also known as Mesosphaerum suaveolens, of the Lamiaceae