Birdcatcher Trees

Plants in the genus Pisonia don't appear to be particularly menacing. The trees lack the thorns of acacia, the poisonous fruit of the manchineel tree and the botanical jaws of Venus flytraps. But Pisonia trees, which are found from Hawaii and New Zealand all the way to India, have a dark secret. Search among their roots and you're likely to find ga...

Plants in the genus Pisonia don't appear to be particularly menacing. The trees lack the thorns of acacia, the poisonous fruit of the manchineel tree and the botanical jaws of Venus flytraps. But Pisonia trees, which are found from Hawaii and New Zealand all the way to India, have a dark secret. Search among their roots and you're likely to find ga...