Penstemon newberryi

A. Gray

in War Department [U.S.], Pacif. Railr. Rep. 6(3): 82, plate 14. 1858. (as Pentstemon)

Common names: Newberry’s beardtongue
Endemic
Treatment appears in FNA Volume 17. Treatment on page 90. Mentioned on page 86, 87.
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Subshrubs, cespitose. Stems ascending to erect, (5–)10–32 cm, glabrous or retrorsely hairy, not glaucous. Leaves persistent, 4–9 pairs, distals distinctly to slightly smaller than proximals, short-petiolate or sessile, (5–)9–42 × 4–14(–18) mm, blade elliptic to obovate, base tapered, cuneate, or cordate-clasping, margins ± serrulate or serrulate-denticulate to serrate, apex rounded to obtuse or acute, glabrous, glaucous. Thyrses continuous, ± secund, 2–20 cm, axis glandular-pubescent, verticillasters 4–12, cymes 1-flowered; proximal bracts ovate to lanceolate, 4–11(–20) × 2–8(–15) mm; peduncles and pedicels ascending, glandular-pubescent. Flowers: calyx lobes lanceolate, 6–10 × 2–2.5 mm, glandular-pubescent; corolla pink, red, scarlet, lavender, or purple, essentially unlined internally but abaxial ridges sometimes pink to whitish, not personate, funnelform, 22–35 mm, glabrous externally, moderately to densely white-lanate internally abaxially, tube 6–9 mm, throat 5–12 mm diam.; stamens included or longer pair exserted, pollen sacs 0.8–1.7 mm; staminode 8–14 mm, slightly flattened distally, 0.1–0.3 mm diam., tip straight, distal 2–8 mm pubescent to lanate, hairs white or yellowish, to 1 mm; style 20–24 mm. Capsules (8–)10–13 × (4–)5–8 mm.

Discussion

Varieties 3 (3 in the flora).

Penstemon newberryi is known from the Sierra Nevada and Cascade ranges of California, Nevada, and Oregon.

Selected References

None.

Key

1 Corollas pink to lavender or purple, 27–35 mm; stamens included, pollen sacs 1.2–1.7 mm. Penstemon newberryi var. berryi
1 Corollas red, scarlet, or purple, 22–30 mm; stamens: longer pair exserted, pollen sacs 0.8–1.3 mm. > 2
2 Corollas red to scarlet; distal leaves distinctly smaller than proximals. Penstemon newberryi var. newberryi
2 Corollas purple; distal leaves slightly smaller than proximals. Penstemon newberryi var. sonomensis