Species within a genus

areo, arere, aresco, = to be dry; to be dried up, to become dry; to dry up, wither;
-escens, = indicates process of becoming, hence not fully achieved resemblance.
(becoming dry)
(ld, BL)

glomero, = to gather into a round heap or knot, to collect, press, crowd, assemble together;
(form into a ball)
-atus, = indicates possession or likeness.
(compactly clustered)
(ld, BL)

humus, humi, = the earth, the ground, the soil; on the ground;
-ilis, = indicates capacity or ability. Hence a property or quality.
humilis, = on the ground, i.e. low, lowly, small, slight.
(ld, BL)

ruga, = a crease in the face, a wrinkle;
(wrinkle or fold)
-osus, = indicates abundance or full or marked development.
rugosus, = wrinkled, shrivelled.
(wrinkled, rugose)
(ld, BL)

sulcus, = a furrow made by a plough; a rut, track;
-atus, = indicates possession or likeness.
(covered by minute impressions as if made by a point of a pin)
(ld, BL)

tero, = to lessen by rubbing, to rub away; to wear away by use, wear out;
teres, = rounded off, rounded, well-turned, round, smooth; polished, elegant.
(terete, i.e. secular in transverse sections, tapering or narrowly cylindric)
(ld, BL)