Balloon plant

A prickly balloon plant

I’ve seen balloon plants (Gomphocarpus physocarpus) in local pastures before, but not up close like this. The balloons are the fruit of the plants. The long hairy spines become stiffer and spiky-looking when the balloons inflate prior to releasing their seeds.

Posted in response to Becky’s October Squares challenge theme of ‘Past Squares – Spiky.’ See more responses here.

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