mayapple rust

English

mayapple rust on the leaves of a mayapple

Etymology

mayapple (from the plant it inhabits) +‎ rust (red-brown plant fungal disease)

Noun

mayapple rust (uncountable)

1. Allodus podophylli, a species of parasitic rust fungus that leeches off of mayapple leaves.

Further reading

• mayapple rust on Wikipedia.Wikipedia