Imagine a rocky slope in the Santa Ynez Mountains behind Santa Barbara that is covered purple sage (Salvia leucophylla) and white sage (Salvia apiana).  Competition among plants is intense, and research has shown that individual plants compete for space via allelopathy.  Imagine that some of the plants (the "mutants") experience a genetic mutation that renders the essential oils in their leaves much less volatile or much less abundant than the essential oils in the plants around them.  The most likely outcome for these mutant plants is:

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