1. What advantage would herbaceous stems have over woody stems?

Question

2.What advantage would woody stems have over herbaceous stems?

Answer 1

They won't break in a hurrican.

Answer 2

Herbaceous stems contain chlorophyll that allows the plant to use them in addition to leaves for photosynthesis, more green pigment means more food for the plant.

Woody stems allow the plant to grow higher against gravity and not crack due to outside influences.