Trees, Shrubs and Vines 



Wavy-edged: entire, yet slightly undulating. Fig. 8, b. 

 Wedge-shaped: lower part of leaf tapering with straight edges to 



a point. 

 Whorl: cluster of leaves encircling stem at same point. Fig. 4, c. 

 Winged: said of a seed with membranous extension, as in maple 



and elm. 



424 



