familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Saccanthera
speciesPenstemon laetus
Penstemon laetus var. leptosepalus
in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 2(1): 442. 1886. (as Pentstemon)
Endemic
Synonyms: Penstemon laetus subsp. leptosepalus (Greene ex A. Gray) D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 237.
Flowers: calyx lobes lanceolate, 7–11 × 1–2 mm; anthers ovate to elliptic in outline, pollen sacs 2–2.7 mm. 2n = 16.
Phenology: Flowering May–Jul.
Habitat: Pine forests, pine-oak woodlands.
Elevation: 400–1700 m.
Discussion
Variety leptosepalus occurs in the northern Sierra Nevada and the southern Cascade Range.
Selected References
None.
Lower Taxa
None.