acanthaceous |
retinaculum |
In botany|lang=en terms the difference between acanthaceous and retinaculum
is that
acanthaceous is (botany): of, pertaining to, or resembling, a member of the acanthaceae family
[brown, lesley, ed the shorter oxford english dictionary 5th oxford: oxford university press, 2003] while
retinaculum is (botany) a small gland or process to which bodies are attached; as, the glandular retinacula to which the pollinia of orchids are attached, or the hooks which support the seeds in many acanthaceous plants.
As an adjective acanthaceous
is (botany): of, pertaining to, or resembling, a member of the acanthaceae family
[brown, lesley, ed the shorter oxford english dictionary 5th oxford: oxford university press, 2003].
As a noun retinaculum is
(anatomy) a connecting band.