Thinpetal Larkspur, Thin-petal Larkspur, Upland Larkspur
Delphinium lineapetalum
Synonyms: Delphinium nuttallianum var. lineapetalum, Delphinium lineapetalum ssp. klickitatense
![Close-up sideview of the flower of Thinpetal Larkspur, Thin-petal Larkspur, Upland Larkspur: Delphinium lineapetalum (Synonyms: Delphinium nuttallianum var. lineapetalum, Delphinium lineapetalum ssp. klickitatense)](../../../../basin/5petal/butter/lark/linepetalum/linepetalum1e.jpg)
Thinpetal larkspur as seen along the Iron Creek Trail #1351 in the Wenatchee National Forest.......July 9, 2010. Note the long, gland-tipped hairs spreading from the pedicel, the black lined markings on the notched petals, and the stamens which are not hidden by the petals.
- ![Close-up sideview of the flower of Thinpetal Larkspur, Thin-petal Larkspur, Upland Larkspur: Delphinium lineapetalum (Synonyms: Delphinium nuttallianum var. lineapetalum, Delphinium lineapetalum ssp. klickitatense)](../../../../basin/5petal/butter/lark/linepetalum/linepetalum1f.jpg)
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- ![Close-up of the raceme of Thinpetal Larkspur, Thin-petal Larkspur, Upland Larkspur: Delphinium lineapetalum (Synonyms: Delphinium nuttallianum var. lineapetalum, Delphinium lineapetalum ssp. klickitatense)](../../../../basin/5petal/butter/lark/linepetalum/linepetalum1c.jpg)
Additional photos of thinpetal larkspur as seen along the Iron Creek Trail #1351 in the Wenatchee National Forest......July 9, 2010.
Paul Slichter