acus, = a needle or pin; as being pointed;
-utus, = indicates possession.
acutus, = sharpened, made pointed, sharp, pointed; acute.
(acute, pointed, i.e. narrowed gradually and making an angle of less that 90º) (ld, BL)
Brachysiphon rupestris (La) Rock Flower (Vo) Location: (F)
rupes, = a rock, of a cliff;
-estris, = indicates place of growth.
(rock or cliff-dwelling) (ld, BL)