amygdalaceous

[uh-mig-duh-ley-shuh s]

adjective

belonging or pertaining to the Amygdalaceae, a family of plants bearing fruit containing a single hard seed.

Origin of amygdalaceous

1850–55; < New Latin Amygdalace(ae) plant family name (see amygdala, -aceae) + -ous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Its taste is weak, amygdalaceous, with a faint, mushroom-like aroma.
The Desert World
Arthur Mangin