trioecious

English

Alternative forms

• triecious
• triœcious

Etymology

tri- +‎ -oecious

Pronunciation

IPA^(key): /traɪˈiːʃ(ɪ)əs/

Adjective

trioecious (not comparable)

1. (botany) Having male (staminate), female (pistillate), and bisexual flowers on the same plant (also known as "polygamous"), like Fraxinus excelsior
2. (botany) Belonging to the former Linnæan order Trioecia, consisting of plants of this type.
3. (zoology) Having three sexes: male, female and hermaphrodite, as some nematodes.

Related terms

• trioecy
• trioecism
• dioecious

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “trioecious”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)