familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Penstemon
speciesPenstemon attenuatus
Difference between revisions of "Penstemon attenuatus var. palustris"
Vasc. Pl. Pacif. N.W. 4: 373. 1959.
Endemic
Basionym: Penstemon palustris Pennell Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 8. 1941
Synonyms: P. attenuatus subsp. palustris (Pennell) D. D. Keck
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Revision as of 20:25, 27 May 2020
Stems 15–40 cm. Flowers: calyx lobes lanceolate, margins erose; corolla bluish purple to pinkish blue, 7–12 mm; pollen sacs 0.6–0.8(–0.9) mm, dehiscing completely, connective splitting, sutures smooth, sometimes ± papillate.
Phenology: Flowering Jun–Aug.
Habitat: Marshes, stream banks, moist to wet meadows.
Elevation: 400–2400 m.
Discussion
Variety palustris is known from the Blue Mountains of northeastern Oregon and southeastern Washington.
Selected References
None.
Lower Taxa
None.