Species Identification

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

AttributeThe current selection is Penstemon_dasyphyllus
ClassificationPenstemon Penstemon Chamaeleon
GeneralHairy-leafed or Gila Penstemon Blooms: April through October depending upon rain.
AntherHorseshoe shaped, dehisce (open) fully, toothed at suture (cell edges).
StaminodeSmooth, included.
Leaves10 cm (4) long & 1/20th as wide, entire, lanceolate, grey-green, sometimes densely pubescent (ashy down), with no basal rosette at flowering, narrow, folded, upward pointing.
Stems2-6 dm (8-24) tall, several stems, usually with fascicles (smaller leaves in axils), herbage grey, densely pubescent (fuzzy), sparsely flowering, usually one to a node.
InflorescenseGlandular (sticky), somewhat branching, cyme usually 1 at a node, 1-4 cm (-1 ) long.
Corolla25-35 mm (1-1 ) long, blue or blue-violet with lavender tube, smooth, expanded abruptly or moderately from narrow tube, deeply 2-lipped, lower lobes longer, spreading, usually no guidelines, pubescent, secund (one-sided bloom).
Flower Color
Calyx4-8 mm (1/4) long, sepals ovate, blunt.
HabitatGrasslands with gravelly soils, 1200-1700 m (4000-5500)
RangeSoutheast AZ, sw NM, Big Bend region of sw TX, Coahuila, Durango and Chihuahua states in nc MX.