Penstemon pinorum

Stems ascending to erect, 13–33 cm, ± retrorsely pubescent. Leaves basal and cauline, not leathery, glabrous or ± retrorsely hairy along margins; basal and proximal cauline petiolate, 20–90 × (3–)6–12 mm, blade oblanceolate to lanceolate, base tapered, margins sharply serrate-dentate, rarely entire, apex obtuse to acute; cauline 2–4 pairs, sessile, (20–)30–56 × 3–6 mm, blade oblanceolate, base clasping, margins coarsely serrate-dentate or dentate, apex obtuse. Thyrses interrupted, cylindric, 7–15(–21) cm, axis glandular-pubescent, verticillasters 3–7, cymes (1 or)2–7-flowered, 2 per node; proximal bracts lanceolate, 18–40 × 2–5 mm; peduncles and pedicels glandular-pubescent. Flowers: calyx lobes lanceolate, 3.8–6 × 1.1–2 mm, glandular-pubescent; corolla blue to violet or light purple, rarely pink, with or without purple nectar guides, ventricose, 10–15 mm, yellowish lanate internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 4–6 mm diam., slightly 2-ridged abaxially; stamens included, pollen sacs parallel, navicular, 1.2–1.5 mm, dehiscing completely, sutures papillate; staminode 7–10 mm, prominently exserted, 0.4–0.6 mm diam., tip straight to recurved, distal 5–7 mm moderately to densely pilose, hairs orange, to 0.8 mm; style 6–7 mm. Capsules 5–7 × 4–5 mm.

Phenology: Flowering May–Jun.
Habitat: Pinyon-juniper woodlands, desert shrub communities.
Elevation: 1700–2100 m.

Distribution

• Generated Map
• Legacy Map

Utah.

Discussion

Penstemon pinorum is known from the Pine Valley Mountains in Iron and Washington counties.

Selected References

None.

Lower Taxa

None.