In a manner relating to or characteristic of epiphytes; in the way that epiphytes grow or exist on other organisms.
From 'epiphytical' + '-ly' (in the manner of). An adverbial form describing how something occurs in an epiphytic manner.
When orchids grow epiphytically, they're not being parasites—they've evolved entire root systems that hang in air and grab moisture from tropical humidity, a completely different survival strategy.
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