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tropaeolum

British  
/ trəʊˈpiːələm /

noun

  1. any garden plant of the genus Tropaeolum esp the nasturtium

"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 tropaeolum

C18: from New Latin, from Latin tropaeum trophy ; referring to the shield-shaped leaves and helmet-shaped flowers