familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Saccanthera
speciesPenstemon richardsonii
Difference between revisions of "Penstemon richardsonii var. dentatus"
Vasc. Fl. Pacif. N.W. 4: 401. 1959.
Endemic
Basionym: Penstemon richardsonii subsp. dentatus D. D. Keck Brittonia 8: 250. 1957
Treatment appears in FNA Volume 17. Treatment on page 242.
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Revision as of 20:25, 27 May 2020
Leaves: blade ovate, sometimes lanceolate, margins dentate, rarely laciniate-dentate. Flowers: corolla 22–30 mm; staminode: distal 2–8 mm sparsely lanate; style 16–22 mm.
Phenology: Flowering May–Aug(–Sep).
Habitat: Talus slopes, cliffs, crevices, often in basalt.
Elevation: 300–1500 m.
Discussion
Variety dentatus is known from north-central and northeastern Oregon (Baker, Crook, Deschutes, Grant, Jefferson, Morrow, Umatilla, Union, Wasco, and Wheeler counties).
Selected References
None.
Lower Taxa
None.