Roots
root ray shape
An outline of specific form which is plane or two-dimensional; or a specific figure which is three dimensional.
| linear | Plane figure with widest axis at midpoint of structure and with margins essentially parallel; Length:Width more than 12:1 |  | 
| moniliform | Cylindrical but constricted at regular intervals, appearing like a beaded nacklace. |  | 
| narrow rectangle | Plane figure or Solid with widest axis at midpoint of structure and with margins essentially parallel; Length:Width 6:1-3:1 |  | 
| spathulate | Oblong or obovate apically with a long attenuate base. |  | 
| square | Plane figure with widest axis at midpoint of structure and with margins essentially parallel; Length:Width 1:1 |  |