Procris repens is a species of flowering plant in the nettle family, Urticaceae.

[1] It is commonly known as watermelon begonia or sisik naga,[2] although the latter name may also refer various Pyrrosia species.

Under its synonym Elatostema repens it has won the Royal Horticultural Society's Award of Garden Merit.

Its distinctive leaves have a pattern that resembles watermelon rinds or the foliage of certain Begonia species and may fade to completely purple or brown with age.

[2] Procris repens is distributed over a wide area, from southern China to Indonesia.