octamerous

[ ok-tam-er-uhs ]
/ ɒkˈtæm ər əs /

adjective

consisting of or divided into eight parts.
Botany. (of flowers) having eight members in each whorl.

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Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Also octomerous.

Origin of octamerous

1860–65; <Greek oktamerḗs having eight parts (equivalent to okta-octa- + mér(os) -merous + -ēs adj. suffix) + -ous

OTHER WORDS FROM octamerous

oc·tam·er·ism [ok-tam-uh-riz-uhm], /ɒkˈtæm əˌrɪz əm/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for octamerous

octamerous
/ (ɒkˈtæmərəs) /

adjective

consisting of eight parts, esp (of flowers) having the parts arranged in groups of eight
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