Species Identification

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

AttributeThe current selection is Penstemon_floridus
ClassificationPenstemon Penstemon Peltanthera Peltanthera
GeneralFlowery Penstemon. Blooms: May to July.
Anther1.3-1.9 mm, spreading flat, opposite, included in corolla.
StaminodeIncluded, glabrous.
LeavesLower leaves 8cm (3+) long & 1/3 as wide, upper leaves lanceolate, to 10 cm (4) long, thick; upper cauline leaves lanceolate or ovate, cordate-clasping (heart-shaped, meeting around stem), generally dentate (upper-most sometimes subentire (sub=slightly).
StemsPerennial 5-12 dm (20-48) tall, glabrous (hairless), glaucous (bluish) foliage.
InflorescenseGlandular (sticky, cyme 1-2 flowered.
Corolla21-30 mm (3/4-1 ) long, throat narrowed towards small mouth, rose-pink, strongly lined, glandular outside and inside (floor lacks nonglandular hairs), lobes small, tube and bud often pale yellow.
Flower Color
Calyx4.2-6.2 mm, (1/4) long, sepals ovate.
HabitatGravelly washes, canyon floors in sagebrush scrub and juniper/pinyon woodland; 1000-2400 m (3300-7900) elev.
RangeEast of the Sierra Nevada Mts. in Owens and Inyo Valleys, Mono and Inyo Cos., Desert Mountains, CA, NV. var. austinii (Eastwood) N. Holmgren [synonym: ssp austinii (Eastw.) Keck]: Corolla 21-27 mm (3/4-1) long, medium pink, gradually expanded into throat (6-11 mm when pressed), tube 6-8 mm, mouth at right angles to tube, northern Desert Mountains, NV. var. floridus: Corolla 24-30 mm (7/8-1) long, light pink, more or less abruptly expanded into throat, (deep-bellied), 10-16 mm when pressed, tube 7-12 mm, mouth oblique (at angle) to tube, 1600-2400 m (5300-7900) elev., southern Sierra Nevada Mts., Rock Creek Canyon, CA, NV.