[Wildflowers with 5 Petals in the Columbia River Gorge]
The Milkweed Family East of the Cascade Mountains of Oregon and Washington

Asclepiadaceae

Narrow-leaf Milkweed (Asclepias fascicularis)

Purple Milkweed: Asclepias cordifolia -

Pallid Milkweed, Humboldt Milkweed, Purple Milkweed: Asclepias cryptoceras (Synonyms: Asclepias cryptoceras ssp. davisii, Asclepias cryptoceras var. davisii, Asclepias davisii) -

Narrowleaf Milkweed, Narrow-leaf Milkweed: Asclepias fascicularis (Synonym: Asclepias mexicana) -

Showy Milkweed, Greek Milkweed: Asclepias speciosa -

Paul Slichter E-mail