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Delphinium basalticum

basaltic larkspur

Delphinium basalticum

Delphinium treleasei

Flowering time May-June
Habitat Basaltic cliff faces, outcropping, and exposed slopes.
Distribution
Occurring in the Columbia River Gorge in Washington; southcentral Washington and adjacent Oregon.
[BONAP county map]
[BONAP county map]
Origin Native
Conservation status Review Group 2 in Washington (WANHP)
Sibling taxa
D. ajacis, D. ×burkei, D. depauperatum, D. distichum, D. glareosum, D. glaucum, D. leucophaeum, D. lineapetalum, D. menziesii, D. multiplex, D. nuttallianum, D. nuttallii, D. occidentale, D. stachydeum, D. sutherlandii, D. trolliifolium, D. viridescens, D. xantholeucum
D. ajacis, D. basalticum, D. ×burkei, D. depauperatum, D. distichum, D. glareosum, D. glaucum, D. leucophaeum, D. lineapetalum, D. menziesii, D. multiplex, D. nuttallianum, D. nuttallii, D. occidentale, D. stachydeum, D. sutherlandii, D. trolliifolium, D. viridescens, D. xantholeucum
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