Species Identification

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

AttributeThe current selection is Penstemon_platyphyllus
ClassificationPenstemon Saccanthera Saccanthera Heterophylli
GeneralBroadleaf Penstemon. Blooms: June and July.
Antherremain horseshoe-shaped, cells 1.5-1.9mm long, opening across the connecting apices for less than ½ the length of cells, inner margins at opening with long hairs.
Staminodereaching the orifice to exserted, slightly dilated, white, beardless; fertile stamens exserted.
Leaves3.5-6 cm (1 3/8-3”) long, entire, mostly on flowering stems, smooth.
Stems3.5-6 dm (14-24”) tall, tends to be shrubby at base; stems erect to ascending, few to many arising from a much-branched, wood caudex (root base), current year’s growth puberulent.
InflorescenseThyrse of 4-8 verticillasters, the cymes 1- to 2-flowered, the lower nodes usually with more flowers and sometimes bearing lateral branches.
Corolla22-25mm (to 1”) long, sometimes fragrant, swollen and bulging below; throat 2-ridged, strongly 2-lipped, the lobes subequal or upper lip narrower and projecting; tips violet or lavender, tube violet, smooth overall.
Flower Color
Calyx4-6mm (<1/2”) long with segments lanceolate, attenuate tipped, often recurved, glabrous, margins slightly thinned and irregular.
HabitatRocky places in canyons and foothills, 1300-2400m) 3000-6000’
RangeWasatch Range, Weber Co. Utah Co., Duchesne Co, UT