Species within a genus

villus, = shaggy hair, a tuft of hair;
(long weak hairs)
-osus, = indicates abundance or full or marked development.
villosus, = hairy, shaggy, rough.
(villous, i.e. shaggy with fairly long soft straight not interwoven ascending hairs)

viscum, = the mistletoe (bird-lime made from the berries of the mistletoe);
-idus, = indicates a state or an action in progress.
viscidus, = clammy, ticky, viscid;
(viscid, sticky)
(ld, BL)