Lewis' mock orange

Quick look

Philadelphus lewisii, the Lewis' mock-orange, mock-orange, Gordon's mockorange, wild mockorange, Indian arrowwood, or syringa, is a deciduous shrub native to western North America, and is the state flower of Idaho.

• It belongs to the Hydrangeaceae family. ^iNaturalist
• USDA PLANTS describes it as a shrub with a perennial life cycle. ^{USDA PLANTS}
• USDA PLANTS lists it as native in the lower 48 states and records it in 5 states. ^{USDA PLANTS}
• NatureServe lists it as native to Montana and Idaho. ^NatureServe
• In Montana, most iNaturalist sightings of it in flower come in June–July. ^iNaturalist
• USDA PLANTS lists its flower color as white. ^{USDA PLANTS}
• USDA PLANTS gives its bloom period as late spring. ^{USDA PLANTS}
• USDA PLANTS lists a mature height of about 12 ft. ^{USDA PLANTS}
• iNaturalist has 522 research-grade sightings of it in Montana, ranking #87 among the 109 flowers on our Montana list. ^iNaturalist
• iNaturalist has 496 research-grade sightings of it in Idaho, ranking #69 among the 109 flowers on our Idaho list. ^iNaturalist