Penstemon personatus

D. D. Keck

Madroño 3: 248. 1936.

Common names: Closed-throat beardtongue
EndemicConservation concern
Treatment appears in FNA Volume 17. Treatment on page 91. Mentioned on page 84, 85.

Herbs; caudex herbaceous, rhizomelike. Stems ascending to erect, 30–57 cm, puberulent or retrorsely hairy, rarely glandular-pubescent distally, not glaucous. Leaves deciduous, 3–6(or 7) pairs, petiolate or sessile, (6–)30–65(–95) × (5–)12–50 mm, blade ovate to oblong or lanceolate, base truncate to cordate, margins entire or ± denticulate, apex obtuse to acute, puberulent to pubescent abaxially, glabrate adaxially, glaucescent. Thyrses interrupted, conic, 7–33 cm, axis sparsely to densely glandular-pubescent, verticillasters (2 or)3–5(–7), cymes 2–5(–7)-flowered; proximal bracts ovate to lanceolate, 7–28(–72) × 3–17(–45) mm; peduncles and pedicels ascending to erect, glandular-pubescent. Flowers: calyx lobes lanceolate, 3.8–6 × 1.1–2 mm, glandular-pubescent; corolla lavender to purple or white, lined internally with violet nectar guides, personate, tubular-funnelform, 20–26 mm, glabrous or sparsely glandular-pubescent externally, moderately to densely white-villous internally, tube 7–8 mm, throat 6–8 mm diam.; stamens included, pollen sacs 0.8–1.1 mm, glabrous; staminode 4–5 mm, flattened distally, 0.1–0.2 mm diam., tip straight, distal 3–4 mm densely villous, hairs yellow, to 1 mm; style 17–19 mm. Capsules 6–9 × 4–5 mm.


Phenology: Flowering (Jun–)Jul–Aug.
Habitat: Sugar pine, yellow pine, California red fir, and mixed evergreen forests.
Elevation: 1100–2100 m.

Distribution

Loading map...
Created with Raphaël 2.2.0

Calif.

Discussion

Penstemon personatus is known from the northern Sierra Nevada in Butte, Nevada, Plumas, and Sierra counties.

Selected References

None.

Lower Taxa

None.