auricula

noun

1. The external part of the ear.
2. A small conical pouch projecting from either atrium of the heart.
3. A pronounced thickening at the corner of a trilete spore, beyond the end of the laesura.
4. (plural)An ornamental primrose (Primula auricula)

   “Réné came on quietly, his trowel in one hand, some auricula roots in the other.”