Phryma oblongifolia is a species of flowering plant in the family Phrymaceae, native from temperate Asia southwards to the Himalayas and north Vietnam.

[3] Its status as a separate species was not usually accepted, and it was treated as a variety of Phryma leptostachya.

In 2014, the distinctiveness of North American P. leptostachya and Asian P. oblongifolia was supported, based on morphological evidence and a previous molecular phylogenetic study.

[4][2] As of April 2022[update], the species is recognized by Plants of the World Online.

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