In a down-under flip-flop, the December-blooming Christmas mistletoe in southwestern Australia grows into a tree that parasitizes a network of little plants. The Nuytsia floribunda, which can reach 30 feet high, preys upon grass and even the domestic carrot. Del Wiens
A double-decker parasite, the mistletoe with the more yellow tinge, Phoradendron scabberimum, is growing on a species in the same genus.
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