Stylidium humphreysii

{{Short description|Species of flowering plant}}

{{Speciesbox

|image = Stylidium humphreysii.jpg

|genus = Stylidium

|species = humphreysii

|authority = Carlquist

}}

Stylidium humphreysii is a species of trigger plant endemic to desert regions of Western Australia.{{cite web|url=http://florabase.dec.wa.gov.au/browse/profile/7737|title=Stylidium humphreysii Carlquist|work=FloraBase|publisher=Department of Environment and Conservation (Western Australia)|accessdate=15 November 2012}} American botanist Sherwin Carlquist named the species after West Australian amateur botanist Fred Humphreys.{{cite journal|last=Sherwin Carlquist|date=April 18, 1969|title=Studies in Stylidiaceae: New Taxa, Field Observations, Evolutionary Tendencies|journal=Aliso: A Journal of Systematic and Floristic Botany|volume=7|issue=1|pages=48–50 |url=https://scholarship.claremont.edu/aliso/vol7/iss1/3/|accessdate=13 January 2023}}