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staminody

American  
[stam-uh-noh-dee] / ˈstæm əˌnoʊ di /

noun

Botany.
  1. the metamorphosis of any of various flower organs, as a sepal or a petal, into a stamen.


staminody British  
/ ˈstæmɪˌnəʊdɪ /

noun

  1. the development of any of various plant organs, such as petals or sepals, into stamens

"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 staminody

1865–70; alteration of staminodium, with -y 3 replacing -ium