Exemplar Problems

Question:

Compare and contrast opposite and alternate phyllotaxy, including the arrangement of leaves and examples of plants for each type.

Answer:

Opposite phyllotaxy has leaves or branches in pairs at each node, as seen in Maple trees (Acer saccharinum), whereas alternate phyllotaxy has one leaf per node, as seen in Sunflowers (Helianthus annuus).

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