familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Dasanthera
sectionPenstemon sect. Erianthera
speciesPenstemon fruticosus
Penstemon fruticosus var. scouleri
Vasc. Pl. Pacif. N.W. 4: 385. 1959.
Endemic
Basionym: Penstemon scouleri Lindley Edwards’s Bot. Reg. 15: plate 1277. 1829
Synonyms: P. fruticosus subsp. scouleri (Lindley) Pennell & D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 89.
Revision as of 18:29, 24 September 2019 by FNA>Volume Importer
Leaves (5–)8–48 × 3–8 mm, blade lanceolate, margins entire, serrate, or dentate, rarely sharply serrate or dentate. Flowers: corolla 35–48 mm.
Phenology: Flowering Apr–Jul.
Habitat: Cliffs, rock outcrops, rocky slopes, forest openings, roadcuts.
Elevation: 200–2200 m.
Distribution
Alta., B.C., Idaho, Wash.
Discussion
Variety scouleri is known from southwestern Alberta, southern British Columbia, northern Idaho, and northeastern Washington.
Selected References
None.
Lower Taxa
None.