Species Identification

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

AttributeThe current selection is Penstemon_amphorellae
ClassificationPenstemon Penstemon Fasciculus Racemosi
General“Jarritos” or “Little Jars” Penstemon. Blooms July to September
AntherBoat-shaped
StaminodeTuft of short golden beard at tip
Leaves4.5 cm (1 ¾”) long & 1 1/5 as wide, entire; sharp-tipped, narrow, grass-like, fascicle leaves to 20 mm (3/4”) long, basal leaves absent at flowering.
Stems2-6 dm (8-24”) tall, branching moderately near base, multiple stems.
InflorescenseCymes sometimes 2 at a node, 1-2 cm (5/16-3/4” long, usually 1-flowered and secund (flowers on one side of stem)
Corolla22-33 mm (3/4-1 ¼”) long, bell-like, sparse, blue to pale blue-violet
Flower Color
Calyx5-9 mm (1/4”), sepals thin on edges with long tips
Habitat2100-2400 m (7000-8000’)
RangeCoahuila to Guanajuato, central and northern Mexico