1) Coil 2) Curl 3) Curlicue 4) Gyre 5) Ringlet 6) Roll 7) Scroll 8) Whorl 
whorl
• (n.) A circle either of leaves or flowers about a stem at the same node; a whorl.
Ver'ti·cil noun [ Latin verticillus , dim. of vertex a whirl: confer French verticille . See Vertex .] (Botany) A circle either of leaves or flowers about a stem at the same node; a whorl. [ Written also verticel .] 
A whorl.
Type: Term Pronunciation: ver′ti-sil Definitions: 1. A collection of similar parts radiating from a common axis. Synonyms: vortex1, whorl4
[n] - a whorl of leaves growing around a stem
noun a whorl of leaves growing around a stem