Species within a genus
cheir, = the hand; anthos, = a flower, the bloom of a flower.
tomentum, = a stuffing for cushions (e.g. of wool, hair, feathers, straw, etc.) (tomentose, matted woolly down on stems and leaves) -osus, = indicates abundance or full or marked development. (tomentose; thickly and evenly covered with short more or less appressed curled or curved matted hairs)