Species Identification

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

AttributeThe current selection is Penstemon_heterodoxus
ClassificationPenstemon Penstemon Penstemon Proceri
GeneralSierran Penstemon Blooms: July to August
Anther0.5-1 mm, opening full length, but barely spreading apart.
Staminodemoderately yellow-hairy.
Leavesbasal ones -1/6 as wide as long, entire, sometimes folded lengthwise; basal many; cauline narrowly lanceolate to ovate, sometimes clasping.
Stems5-65 cm (2-24) tall, mat-forming, more or less smooth
Inflorescense1-6 clusters, glandular.
Corollasmall 10-16 mm (5/16-3/4) long, cylindric to moderately expanded, deep blue-purple, sticky outside, palate yellow-brown-hairy.
Flower Color
Calyx2.5-6 mm (<1/4) long, sepals narrowly oblong to obovate.
HabitatDamp montane to alpine slopes, meadows, scree; 1100-3900 m (3700-12,900)
Rangevar. shastensis (Keck) N. Holmgren Shasta Penstemon Plant 2-5 dm (8-20) tall, basal leaves to 6 cm (2 ) long & as wide; stem leaves sometimes to 9 cm ((3 ) long and 1/5 as wide, calyx lobes 2-5 mm long, thin, blunt tip, corolla10-13 mm ( ) long, nw CA var. cephalophorus (Greene) N. Holmgren: plant 15-40 cm, 6-16) tall, leaves; 7 cm (2 ) long and -1/5 as wide, inflorescence usually short, calyx 3-6 mm long, lobes narrow abruptly to short tip, corolla 1.6 cm long, Fresno & Tulare Cos. CA. var heterodoxus: plant 5-20 cm (2-8) long, basal leaves to 4 cm (1 ) long & -1/5 as wide, inflorescence usually 1 flat-topped cluster, calyx 3-6 mm long, lobes narrow abruptly to short tip, corolla 1-1.6 mm long, Sierra Nevada CA, e NV