And not only does this plant recognize its kin, but it also gives them preferential treatment.
If the sea rocket detects unrelated plants growing in the ground with it, the plant aggressively sprouts nutrient-grabbing roots.
But if it detects family, it politely restrains itself.
The finding is a surprise, even a bit of a shock, in part because most animals have not even been shown to have the ability to recognize relatives, despite the huge advantages in doing so.