Nature

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Across
  1. 3. the colourful part of a flower
  2. 6. a flower often signifying love
  3. 7. it often grows on a plant and comes in bright colours
Down
  1. 1. the colour of most plant leaves
  2. 2. the brown long parts holding the leaves together
  3. 4. it grows on trees
  4. 5. you make paper out of this