Penstemon peckii

Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 12. 1941.
Common names: Peck’s beardtongue
Treatment appears in FNA Volume 17. Treatment on page 215. Mentioned on page 188.

Herbs. Stems ascending to erect, 20–50(–65) cm, glabrous or retrorsely hairy, not glaucous. Leaves basal and cauline, basal often poorly developed, not leathery, glabrous; basal and proximal cauline 20–75 × 2–5(–7) mm, blade narrowly elliptic to linear, base tapered, margins entire, apex obtuse to acute; cauline 5–8 pairs, sessile or proximals long-petiolate, 15–75 × 2–8 mm, blade lanceolate to linear, base tapered, margins entire, apex acute. Thyrses interrupted or continuous, cylindric, 3–25 cm, axis glandular-pubescent, verticillasters 2–6(–10), cymes 1–7-flowered, 2 per node; proximal bracts lanceolate, 6–55 × 1–8 mm, margins entire; peduncles and pedicels erect, glandular-pubescent. Flowers: calyx lobes obovate to ovate or lanceolate, 1.5–3 × 0.7–1.5 mm, glandular-pubescent; corolla violet to light blue, pink, or light purple, with or without pink or purple nectar guides, tubular to tubular-funnelform, 8–10 mm, glandular-pubescent externally, moderately yellow-pilose internally abaxially, tube 3–4 mm, throat slightly inflated, 2–3 mm diam., slightly 2-ridged abaxially; stamens included, pollen sacs opposite, navicular to subexplanate, 0.4–0.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth; staminode 4–6 mm, included, 0.3–0.4 mm diam., tip straight, distal 0.3–0.5 mm sparsely pilose, hairs yellow, to 0.4 mm; style 7–8 mm. Capsules 3.5–5 × 2–3 mm, glabrous. 2n = 32.

Phenology: Flowering Jun–Aug.
Habitat: Dry, sandy, volcanic soils, pine forests.
Elevation: 900–1500 m.


Penstemon peckii is known from the eastern slope of the Cascade Range in Crook, Deschutes, Hood River, and Jefferson counties.

Selected References


Lower Taxa