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Lewis’ Mock Orange, Indian Arrowhead, Syringa - Philadelphus lewisii

Family: Hydrangeaceae - Hydrangea family Genus Common Name: Mock Orange Native Status: Native
Philadelphus lewisii - Lewis’ Mock Orange, Indian Arrowhead, Syringa. Syringa (Lewis Mock Orange) is one of 37 species in the Philadelphus - Mock Orange – genus in the U.S. While it is not a true Syringa (the genus name for lilacs,) that name is the one most commonly used name for the plant in Idaho, where it is the state flower. It is a bushy deciduous shrub that can grow more 10 feet high, and is covered with blossoms in spring.

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Philadelphus lewisii

Distribution of Philadelphus lewisii in the United States and Canada:
USDA Plants Distribution Map temporarily unavailable.
Blue=Native; Grey=Introduced

Map from USDA Plants Database:
USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 23 Feb 2017). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

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Site: Payette River Valley, Boise County, ID Date: 2010-June-17Photographer: Gerald C. Williamson
The white blossoms of Lewis Mock Orange are borne in clusters at the end of long woody stems, and have a light, pleasing fragrance reminiscent of orange blossoms.
Philadelphus lewisii

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All content except USDA Plants Database map Copyright Gerald C. Williamson 2017
Photographs Copyright owned by the named photographer