Peperomia degeneri Yunck.

Degener’s Peperomia (Peperomia degeneri)  

Degener’s Peperomia is known exclusively by the type collection that was made in 1928 in eastern Moloka’i, Hawaiian Islands.

The forests of Moloka’i are overrun by introduced invasive plant species and by plant-eating ungulates, the species was never recorded since the type collection and is very likely extinct. 

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edited: 20.09.2020