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Seed Weeds are enemies found in Wario: Master of Disguise. They appear primarily in the Ancient Waterworks, but can also be found in Sneezemore Cave during the second special episode. They are walking plants with yellow heads. They can shoot out seeds from their mouth, and the seeds quickly grow into another Seed Weed. This is their way of reproducing. Their sub-species are Thorn Weeds, plants created with the Wishstone. Seed Weeds are also created by the boss of the Ancient Waterworks, Ka-Bloom!.
The only thing on this male plant's mind is pollination. He shoots his little plant seeds with reckless abandon in an effort to leave behind as many progeny as possible.