myo, = shut, closed;
poros, = a means of passing, a ford; a way through or over, passage.
porus, = a passage, channel in the body
(ford, strait, passage, pore, opening)
(transparent glands on the leaves) (LS, ld, Ox, BL, Le)
serra, = a saw;
-atus, = indicates possession or likeness.
serratus,= saw shaped, serrated.
(serrate, i.e. saw-edged with sharp teeth pointing forwards, as opposed to ‘retroserratus’, with teeth pointing backward) (ld, BL)