These Plants Act Like Bees in a Hive
The New York Times
The plants seem to divide labor to maximize the health of their colonies that grow up the sides of trees.
K.C. Burns’s favorite research days are the ones where he puts on his backpack and walks into the wilderness with no agenda. On one hike on Australia’s Lord Howe Island, he came across a cluster of staghorn ferns. They are common potted plants, but in nature they grow in dense colonies that cling to treetops. In the volcanic island’s stunted forest, those treetops are right at eye level. “I almost looked beyond it,” said Dr. Burns, a biologist at Victoria University of Wellington in New Zealand. Then he peered closer and realized the plants within the colony were doing different jobs to survive. Ferns growing higher up had waxy fronds that seemed to direct rainwater into the colony’s center. Farther down, ferns grew spongier leaves that were damp to the touch. Some plants weren’t reproducing at all — they seemed to have dedicated their lives to collecting water for their neighbors’ entangled roots. It struck Dr. Burns that the ferns were working together as a kind of superorganism, perhaps like bees in a hive.
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