The vegetable lamb is considered a monster in Society heraldry, a mythical plant bearing young sheep as its fruit. It was first mentioned in the Travels of Sir John Mandeville, c.1371, but does not appear in mundane armory.
Lysander Keisalovitch bears: Argent, a vegetable lamb vert.
Solange Sarrazin bears: Or, a vegetable lamb vert fructed argent and flowered gules, a chief indented azure.
Áine Táilliúir bears as a badge: A vegetable lamb Or fructed of sheep sable.