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Leaf Shape Responds to Temperature but Not CO2 in Acer rubrum

Figure 1

Representative leaves of Acer rubrum from the cool (left) and warm (right) temperature treatments.

Both leaves are similar in area and match their treatment means for tooth number and perimeter ratio (leaf perimeter divided by perimeter after removal of teeth). Scale bar = 1 cm.

Figure 1

doi: https://doi.org/10.1371/journal.pone.0049559.g001