Leaf Terminology

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Across
  1. 4. the main vascular strand of a leaf (leaflet).
  2. 6. the stem of a leaflet.
  3. 9. an undivided leaf, with a single blade.
  4. 11. a thrice-pinnately compound leaf, with each series pinnately divided.
  5. 12. the upper surface, the surface facing the stem.
  6. 16. vascular strands that branch off the midrib.
Down
  1. 1. a divided leaf, separated into 2 or more leaflets.
  2. 2. the lower surface, the surface facing away from the stem.
  3. 3. C a compound leaf with all the leaflets attached at the same point at the end of the petiole.
  4. 5. pairs of small leaf-like structures located at the base of a petiole.
  5. 7. the main axis of a pinnately compound leaf, appearing as an extension of the petiole.
  6. 8. a twice-pinnately compound leaf, with each leaflet pinnately divided.
  7. 10. the stem of the leaf.
  8. 13. one segment of a compound leaf.
  9. 14. a compound leaf with leaflets arranged opposite each other.
  10. 15. the flat, usually photosynthetic portion of the leaf.