Langimage
English

amphistomatous

|am-phis-to-ma-tous|

C2

/ˌæm.fɪ.stəˈmeɪ.təs/

stomata on both surfaces

Etymology
Etymology Information

'amphistomatous' originates from Greek, specifically the elements 'amphi-' and 'stoma', where 'amphi-' meant 'on both sides' and 'stoma' meant 'mouth' or 'opening'.

Historical Evolution

'amphistomatous' was formed in modern scientific English from the Greek elements (via Neo-Latin formation such as 'amphistomatus') and entered botanical usage in the 19th century to describe leaf anatomy.

Meaning Changes

Initially it meant 'having openings on both sides', and over time it has retained the specialized botanical meaning 'having stomata on both surfaces of a leaf'.

Meanings by Part of Speech

Adjective 1

having stomata (pores) on both surfaces (upper and lower) of a leaf or other plant organ.

Many aquatic plants have amphistomatous leaves to facilitate gas exchange.

Synonyms

Antonyms

Last updated: 2025/08/13 00:49