Definition of Phyllosiphon
: a genus (the type of the family Phyllosiphonaceae of the order Siphonales) of filamentous green algae that live as intracellular parasites of plants of the family Araceae (as the jack-in-the-pulpit) and cause yellowing and discoloration of the leaves and stems
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Origin and Etymology of phyllosiphon
New Latin, from phyll- + Greek siphōn siphon, tube
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