Species Identification

Interested in the identification of penstemons? Please select a species then click on submit:

AttributeThe current selection is Penstemon_tiehmii
ClassificationPenstemon Saccanthera Saccanthera Heterophylli
GeneralTeihm’s Penstemon Endemic to the talus slopes in central and eastern Nevada at high elevations. Similar to P. kingii just below on lower slopes, but is are rhizomatosus (with spreading rhizomatosus roots) typical of species growing on moving slopes. Blooms: mid-June to August.
AntherRemaining saccate, cells 1.1-1.6 mm, opening only across the upper connection, dark-violet above, pale violet to tan below, the sutures (openings) ciliate-fringed, smooth on the sides.
Staminodeexserted and smooth, slightly dilated at tip, white to sometimes yellowish; fertile stamens reach the edge or included.
Leaves1.5-5 cm (5/8-2”) long, finely puberulent with hair 1-1.5mm long, non-glandular; all cauline (on blooming stems), ovate to ovate-spatulate to broadly lanceolate, cuneate (wedge-shaped) basally, entire, obtuse to rounded apically.
Stems1-2 dm (4-8”) tall, a perennial herb rising from a loosely branched, woody rhizome, which surmounts a thick, woody taproot. Stems ascending, solitary or in a cluster of few to several, becoming much branched and floriferous w/all ending in inflorescences
InflorescenseThyrse of 3-4 verticillasters, the cymes 2-5 flowered, the bracts leaflike below, reduced in size upwards, stems glandular-pubescent.
Corolla15-20 mm (4/8-6/8”) long, small, violet-colored, sometimes darkly so, gradually expanding from tubular base to moderately bellied, the short upper lip projecting, lower lobes spreading, sticky-fuzzy externally, inside with 2 pale violet to white ridges.
Flower Color
Calyx4.8-6.5 mm (2-2 ½”) long, also glandular-pubescent with lanceolate segments, with edges entire and thinned, tips sharply acute flaring outward.
HabitatTalus slopes and well-developed soils of Mt. Lewis, Shoshone Range at 2200-2900 m (8000’-9680’)
RangeLander Co., Nevada.