Answer | Crossword Clue |
---|---|
verticil | whorl or circle, as of leaves or hairs, arranged around a point on an axis |
whorl | arrangement of similar anatomical parts (as leaves) in a circle around a point on an axis |
spiral | Winding in a continuous and gradually widening (or tightening) curve, either around a central point on a flat plane or about an axis so as to form a cone |