familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Saccanthera
speciesPenstemon laetus
Penstemon laetus var. sagittatus
Man. Calif. Shrubs, 518. 1939.
Endemic
Basionym: Penstemon laetus subsp. sagittatus D. D. Keck Univ. Calif. Publ. Bot. 16: 395, fig. 12. 1932
Treatment appears in FNA Volume 17. Treatment on page 237.
Flowers: calyx lobes ovate to lanceolate, 4–6 × 1–2.3 mm; anthers sagittate in outline, pollen sacs 2.1–2.8 mm.
Phenology: Flowering May–Aug(–Sep).
Habitat: Sagebrush shrublands, coniferous forests.
Elevation: 500–2300 m.
Discussion
Variety sagittatus occurs in the Cascade Range of northern California and south-central Oregon. In addition to its sagittate anthers, it usually has glabrate leaves, though this character varies among populations.
Selected References
None.
Lower Taxa
None.