Species Identification

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

AttributeThe current selection is Penstemon_inflatus
ClassificationPenstemon Penstemon Penstemon Humiles
GeneralInflated Penstemon This species is similar in appearance and closely related to P. oliganthus, growing in similar habitats and ranges. Blooms: May to July
AntherWidely spreading, open across connective, but not flat.
StaminodeBearded with yellow-orange hairs for about the length and not projecting from orifice.
LeavesStem leaves 5-8 cm (2-3) long & 1/5 as wide including stems, becoming shorter toward the inflorescence, smooth and slightly waxy; basal ones 9 cm (3 ) & 1/6 as wide, few, lanceolate and stemmed and often not appearing at flowering.
Stems4-24.6 cm (1 -9 ) tall, one or several microscopically hairy (giving a webbed appearance), stems, slender, often sinuous, often bare-looking.
InflorescenseSpreading, glandular to smooth, bare-looking, with few clusters; cyme 1-3 cm (1/4-1) long, 1-few flowered (often only one cyme at a node).
Corolla17-27 mm (3/4-1) long, blue, abruptly inflated, lobes about the same size, spreading; horizontal from stem, lip not bearded, lighter beneath with straight guide-lines on the lower side of the throat which is moderately ridged; bracts somewhat glandular and very small toward top of inflorescence.
Flower Color
Calyx3-10 mm (1/8-3/8) long, sepals lanceolate to narrowly linear and glandular (sticky) to smooth with age.
HabitatIn pine woods in light shade, mountains, 2280-3350 m (7500-11,000)
RangeManzano and Sandia Mountains of NM and mountains north to CO.