[Wildflowers with 4 Petals in the Cascade Mts. of Oregon and Washington]

The Evening Primrose Family in the Cascade Mountains of Oregon and Washington

Onagraceae

Smooth Willowweed, Glaucus Willowherb: Epilobium glaberrimum ssp. glaberrimum (Synonym: Epilobium glaberrimum var. glaberrimum)

Smooth Willowweed, Glaucous Willowherb: Epilobium glaberrimum ssp. glaberrimum

Evening-primroses or Suncups: The Genus Camissonia -

Fireweeds: The Genus Chamaenerion -

Enchanter's Nightshade: Circaea alpina ssp. pacifica (Synonyms: Circaea alpina var. pacifica, Circaea pacifica) -

Clarkias and Godetias: The Genus Clarkia -

Willowherbs: The Genus Epilobium -

Groundsmoke: The Genus Gayophytum -

Eastern False Loosestrife, Marsh Seedbox, Marsh Primrose-willow: Ludwigia palustris (Synonyms: Ludwigia palustris var. americana, Ludwigia palustris var. pacifica) -

Evening-primrose: The Genus Oenothera -

The Genus Taraxia - See the Genus Camissonia above.

Hill Suncup Slender-flowered Evening Primrose: Tetrapteron graciliflorum (Synonyms: Camissonia graciliflora, Oenothera graciliflora)


Paul Slichter E-mail