This leaf warbler occurs on the Lompobattang massif in southwestern Sulawesi. A pale crown stripe and a wingbar help describe it. The paper treats birds elsewhere on Sulawesi as the separate species P. nesophilus.
It has a broad pale stripe along the crown and a narrow pale wingbar. The inner webs of the two outer tail feathers are white.
The 2020 paper records the separated P. sarasinorum in montane forest on the Lompobattang massif in southwestern Sulawesi.
An extinction-risk assessment has not been added yet.