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Spalding's Catchfly

Spalding's Catchfly (Silene spaldingii), also known as Spalding's Silene, is currently listed as threatened under the Endangered Species Act. It is a native, perennial forb that is primarily found on Palouse Prairies and their adjacent areas in Washington, Oregon, Idaho, and Montana. It is in decline for many reasons including agricultural and urban development, grazing and trampling, herbicide treatment, and competition from non-native plants. Its stem is woolly and viscid (sticky or greasy). Its leaves are opposite, oblanceolate below and lanceolate above. Leaves are 6-7 cm long and sessile (attached directly to the stem).


Height: 8" to 24"

Solar Exposure: Part-shade to full-sun

Bloom Color: Pale-white flowers have a tubular calyx

Bloom Time: Mid-July through August


USDA PLANTS Database Link

https://plants.usda.gov/plantguide/pdf/pg_sisp2.pdf





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