Any of the mushroom-shaped papillae, which have a single taste bud at the tip, located mostly on the dorsal anterior portion of the tongue.
class Information
The fungiform papillae are mushroom shaped e (projections) on the tongue. They are located on the top (dorsal) surface of the tongue, scattered throughout the filiform papilla but mainly at the tip and lateral margins of the tongue. They have taste buds on their superior (upper) surface which can distinguish the five tastes: sweet, sour, bitter, salty, and umami. They have a core of connective tissue. They are innervated by the seventh cranial nerve, more specifically via the submandibular ganglion, chorda tympani, and geniculate ganglion ascending to the solitary nucleus (the sensory component of the Vagus nerve in the brainstem). [WP,unvetted][Wikipedia:Fungiform_papilla].
uberon
In the mouse, Fungiform and palatal taste buds are innervated by the geniculate ganglion cells of the facial nerve[DOI:10.1523/JNEUROSCI.5142-05.2006]