#simple_leaf  not divided into parts
  supertype:  leafage__leaf__foliage  the main organ of photosynthesis and transpiration in higher plants
  subtype:  acerate_leaf__acerateleaf__needle  as of a conifer
  subtype:  acuminate_leaf__acuminateleaf  narrowing to a slender point
  subtype:  cordate_leaf__cordateleaf  a heart-shaped leaf
  subtype:  cuneate_leaf__cuneateleaf  a wedge-shaped leaf having the acute angle at the base
  subtype:  deltoid_leaf__deltoidleaf  shaped like a capital delta
  subtype:  elliptic_leaf  shaped like an ellipse
  subtype:  ensiform_leaf  a sword-shaped leaf; as of iris
  subtype:  hastate_leaf__hastateleaf  shaped like a spearhead with flaring pointed lobes at the base
  subtype:  lanceolate_leaf  shaped like a lance head; tapering to a point at each end
  subtype:  linear_leaf__elongate_leaf  a long slender leaf
  subtype:  lyrate_leaf  having curvature suggestive of a lyre
  subtype:  obtuse_leaf  having a rounded or blunt tip
  subtype:  oblanceolate_leaf  having a rounded apex and tapering base
  subtype:  oblong_leaf  rounded at each end with parallel sides
  subtype:  obovate_leaf__obovateleaf  egg-shaped with the narrower end at the base
  subtype:  ovate_leaf__ovateleaf  egg-shaped with the broader end at the base
  subtype:  orbiculate_leaf  circular or nearly circular
  subtype:  pandurate_leaf__pandurateleaf__panduriform_leaf__panduriformleaf  fiddle-shaped
  subtype:  peltate_leaf__peltateleaf  shield-shaped; as a nasturtium leaf
  subtype:  perfoliate_leaf  a leaf with the base united around--and apparently pierced by--the stem
  subtype:  reniform_leaf  kidney-shaped
  subtype:  sagittate-leaf__sagittateleaf__sagittiform_leaf__sagittiformleaf  shaped like an arrow head
  subtype:  spatulate_leaf__spatulateleaf  spatula-shaped; having a broad rounded apex and narrow base

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