The Hydrangea Family East of the Cascade Mountains of Oregon and Washington

Mock Orange: Philadelphus lewisii (Synonyms: Philadelphus californicus, Philadelphus columbianus, Philadelphus gordonianus, Philadelphus lewisii var. californicus, Philadelphus lewisii var. ellipticus, Philadelphus lewisii var. gordonianus, Philadelphus lewisii var. helleri, Philadelphus lewisii var. intermedius, Philadelphus lewisii var. lewisii, Philadelphus lewisii var. oblongifolius) -

Yerba de Selva, Whipplevine: Whipplea modesta - Historical records present from the late 1800s for this species in north-central Oregon.