familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Penstemon
speciesPenstemon procerus
Penstemon procerus var. brachyanthus
in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 4: 398. 1959.
Endemic
Basionym: Penstemon brachyanthus Pennell Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 3. 1941
Synonyms: P. procerus subsp. brachyanthus (Pennell) D. D. Keck P. tolmiei subsp. brachyanthus (Pennell) D. D. Keck
Stems 9–20(–30) cm. Leaves: basal and proximal cauline 10–62 × 4–12 mm; cauline 13–45 × 3–13 mm, blade obovate to oblanceolate or elliptic, distals sometimes lanceolate. Thyrses 2–11 cm, verticillasters (1 or)2–4. Flowers: calyx lobes 2–3.2 × 0.6–1.5 mm, apex acute to acuminate; corolla 9–12 mm; pollen sacs 0.4–0.6 mm; staminode: distal 0.5–0.8 mm sparsely to densely pilose, hairs golden yellow, to 0.6 mm. 2n = 16.
Phenology: Flowering Jun–Aug.
Habitat: Rocky or grassy montane meadows, open pine woodlands.
Elevation: 1200–2400 m.
Discussion
Variety brachyanthus is known from the Cascade Range from northern Oregon to northwestern California.
Selected References
None.
Lower Taxa
None.