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sterculiaceous

British  
/ stɜːˌkjuːlɪˈeɪʃəs /

adjective

  1. of, relating to, or belonging to the Sterculiaceae, a chiefly tropical family of plants that includes cacao and cola

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sterculiaceous

C18: via New Latin from Latin Sterculius god of manuring, from stercus dung, alluding to the odour of some species