phytotomy
/fʌɪˈtɒtəmi/Now chiefly historical
noun
The dissection of plants; plant anatomy.
Origin
Mid 19th century; earliest use found in Robley Dunglison (1798–1869), physician and medical writer. From phyto- + -tomy, after anatomy. Compare German Phytotomie, Swedish fyto-tomi. Compare also post-classical Latin phytotomica, noun.