Vetches - Spring Vetch
* non-native
Vicia sativa
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Spring Vetch on the left and Common Pacific Pea on the right.
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Even though both are non-natives, Argentine ants (Linepithema humile) and vetch have a special relationship. The vetch secretes nectar to attract pollinators, but the ants do more than just pollination duties. They also protect vetch from other insects that may eat or otherwise damage the plant.
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