#pinnate_leaf__pinnateleaf  a leaf resembling a feather; having the leaflets on each side of a common axis
  supertype:  compound_leaf  composed of a number of leaflets on a common stalk
  subtype:  bijugate_leaf__bijugous_leaf  a pinnate leaf having two pairs of leaflets
  subtype:  bipinnate_leaf__bipinnateleaf  having pinnate leaflets; as ferns
  subtype:  even-pinnate_leaf__abruptly-pinnate_leaf  pinnate with a pair of leaflets at the apex
  subtype:  odd-pinnate_leaf__oddpinnateleaf  pinnate with a single leaflet at the apex

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