Species Identification

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

AttributeThe current selection is Penstemon_elegantulus
ClassificationPenstemon Penstemon Penstemon Humiles
GeneralElegant or Lonely Penstemon Elegantulus means “choice, small or elegant.” It is closely related to P. albertinus and may be a variety of it. The two species differ mainly in the presence or lack of stem leaf hairs. Blooms: May to June
AntherAbout 1 mm long, glabrous, the sacs totally dehiscent (open), spreading opposite, broadly oval, boat-shaped to explanate.
StaminodeMostly included, bearded with a bright yellow tuft of hairs at the tip and somewhat down-curving.
LeavesBasal leaves well-developed, 10 to 12 cm (to 4 in) long including the rather long or short petiole, entire or sparingly toothed, glabrous or, more commonly, finely pubescent, lanceolate or narrowly elliptic: cauline leaves narrowly lance-shaped, sessile, short-hairy, to 5 cm (2 in) long.
Stems1-3 dm (4-12”) long, few to numerous, slender, very finely pubescent (soft haired) below the inflorescence.
InflorescenseOf 3 to 5 distinct, few-flowered verticillasters, narrow, the peduncles (stems) short and held erect against the stems.
Corolla15-22 mm (5/8-7/8”) long, blue or blue-violet, the tube gradually expanded, the lower lip longer than the upper, moderately glandular outside, the palate delicately bearded.
Flower Color
Calyx3-6 mm (<1/4”) high, the sepals elliptic to oval, acuminate, mostly entire and moderately scarious.
HabitatOpen grassy ridgetops and upper slopes to scattered timber.
RangeOn both sides of Hell’s Canyon, OR/ID border.