Species within a genus

ros, roris, = dew;
rosmarinus = rosemary;
-inus, = indicates possession or resemblance;
folium, = a leaf.
(ld, BL)

For Dr. John Patrick Rourke (1942- ).**
(Ch)

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)
(ld, BL)