Penstemon papillatus

J. T. Howell

Leafl. W. Bot. 2: 119. 1938.

Common names: Inyo beardtongue
Endemic
Treatment appears in FNA Volume 17. Treatment on page 239. Mentioned on page 229, 230.

Herbs. Stems ascending to erect, 11–48 cm, retrorsely hairy or puberulent, hairs pointed, not glaucous. Leaves basal and cauline, opposite, puberulent, hairs pointed, sometimes glabrate abaxially, not glaucous; basal and proximal cauline (12–)25–100 × 6–15(–25) mm, blade spatulate to oblanceolate, base tapered, margins entire, apex rounded to obtuse or acute; cauline 2–4 pairs, sessile or proximals short-petiolate, 24–70 × 7–20 mm, blade elliptic or oblanceolate to lanceolate or oblong, base tapered to cordate-clasping, margins entire, apex obtuse to acute. Thyrses interrupted, cylindric, 8–20 cm, axis glandular-pubescent, verticillasters 3–7, cymes 1–4-flowered, 2 per node; proximal bracts lanceolate, 13–45 × 4–12 mm; peduncles and pedicels erect, glandular-pubescent. Flowers: calyx lobes lanceolate, 8–10 × 1.4–2.6 mm, glandular-pubescent; corolla blue to lavender or violet, without nectar guides, ampliate, 24–30 mm, glandular-pubescent externally, glabrous internally, tube 8–10 mm, throat gradually inflated, 6–8 mm diam., 2-ridged abaxially; stamens included, filaments glabrous, pollen sacs parallel, 1.6–1.9 mm, distal 1/3 indehiscent, sides glabrous, sutures denticulate, teeth to 0.1 mm; staminode 13–15 mm, included, 0.4–0.5 mm diam., distal 5–8 mm densely pilose, hairs yellow, to 1.3 mm; style 22–25 mm. Capsules 7–11 × 5–6 mm.


Phenology: Flowering Jun–Aug.
Habitat: Rocky openings, pine-juniper woodlands, pine forests.
Elevation: 2000–2900 m.

Discussion

Penstemon papillatus is limited to the High Sierra Nevada and Inyo and White mountains in Inyo and Mono counties.

Selected References

None.

Lower Taxa

None.