This parasitic plant eavesdrops on its host to know when to flower

Dodders look like tapeworms, and act a bit like one too

dodder plant with orange stems

The yellow-orange stem of a dodder plant entwines itself with its green host plants, siphoning off water and nutrients. A new study shows that these plant parasites take their cue to flower from their hosts.

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A dodder plant begins its life looking like a tapeworm.