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amaranthaceous

American  
[am-uh-ran-they-shuhs] / ˌæm ə rænˈθeɪ ʃəs /

adjective

  1. belonging to the plant family Amaranthaceae.


amaranthaceous British  
/ ˌæmərænˈθeɪʃəs /

adjective

  1. of, relating to, or belonging to the Amaranthaceae (or Amarantaceae ), a family of tropical and temperate herbaceous or shrubby flowering plants that includes the amaranths and cockscomb

"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 amaranthaceous

1830–40; < New Latin Amaranthace ( ae ) ( Amaranth ( us ) amaranth + -aceae -aceae ) + -ous