Species Identification

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

AttributeThe current selection is Penstemon_spatulatus
ClassificationPenstemon Penstemon Penstemon Proceri
GeneralWallowa Mountain Penstemon Blooms: July and August
Anther.6-0.8 mm long, smooth, the sacs completely opening, spreading opposite and boat-shaped.
StaminodeDensely bearded with stiff yellow hairs, reaching orifice, the tip not expanded.
Leaves2-6 cm (3/4-2 ) long, mostly basal, entire, oblong to oval or spatulate on well-developed stems, smooth and bright green; cauline leaves smaller, narrow, stemless or clasping in the inflorescence.
Stems1-2.5 dm (4-10) long and branching, decumbent or commonly prostrate, frequently rooting at the nodes and mat-forming, finely hairy, sometimes in lines.
InflorescenseNarrow, glandular of 1 to 4 well-spaced verticillasters, numerous-flowered, the lower cymes on stems to 2 cm long held tight to the stems.
CorollaSmall, 10-13 mm (3/8-1/2) long, blue to violet, paler within and with dark guide lines, the tube gradually expanded to the throat, the palate lightly bearded, modestly sticky without.
Flower Color
Calyx2.5-5 mm (1/4) long, sticky, the sepals lanceolate to ovate and acuminate, mostly entire, narrowly thinned and occasionally slightly ragged.
HabitatOpen rocky slopes or with scattered trees, subalpine and alpine.
RangeEndemic (limited to) the Wallowa Mts., ne OR