basiscopic
adjective
ba·si·scop·ic
botany
: facing or on the side toward the base
the sori of most ferns are basiscopic
compare acroscopic 
Word History
Etymology
basi- + -scopic
- extension spring
- extension table
- extension-gap lathe
- extensional
- extensionalism
- extensionalities
- extensionality
- extensionalization
- extensionalize
- extensionally
- extensionist
- extensionists
- extensionless
- extensions
- extensities
- extensity
- extensive
- extensively
- extensiveness
- extensivenesses
- extensivity
- extensometer
- extensometers
- extensor
- extensor thrust