Species within a genus

angulus, = an angle, a corner;
-atus, = indicates possession or likeness.
angulatus, = made angular; with angles, angular.
(ld, BL)

niteo, = to shine, look bright, glitter glisten; of plants, to look flourishing, thriving, to thrive;
-idus, = indicates a state or action in progress (‘-ish’).
nitidus, = shining, glittering, bright, polished, clear; of plants, blooming, fertile, luxuriant.
(shining; having a smooth, even polished surface; as many leaves)
(ld, BL)