Species Identification

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

AttributeThe current selection is Penstemon_pahutensis
ClassificationPenstemon Habroanthus Glabri
GeneralPahute Mesa Penstemon Bloom: June to mid July.
Anther1.6-2.2 mm long, S-twisted, opening from outside 2/3 the length, smooth except for nipple-toothed openings.
Staminodereaching the orifice, densely gold-yellow-bearded for the length, fertile stamens reaching orifice.
LeavesBasal and lower cauline ones 5-10 cm (2-4) long and 12-16 mm wide (<1), entire, sometimes bluish, oblanceolate to elliptic, the upper stems 3-8 cm (1-3) long and 4-9 mm wide, linear to narrowly lanceolate, stemless.
StemsShort-lived perennial herb, 1.5-2.5 dm (6-10) tall, stems ascending or erect, usually several arising from a compact, often branched caudex, which surmounts a short taproot, herbage smooth.
InflorescenseUnbranched thyrse of 6-13 verticillasters, smooth, the small flowers one-sided.
Corolla21-26 mm (1) long, bulging all around, bluish-lavender, smooth externally, the throat yellow-bearded (or white-bearded (in Stonewall Mt. population).
Flower Color
Calyx3-4 mm (<1/4) long, sepals broadly ovate, pointed, smooth with thin, ragged edges.
HabitatAmong sagebrush in pinyon-juniper woodlands, 19000-2300 m (5800-6900).
RangeSouth-central Nye Co., NV from Stonewall Mt. to Pahute and Rainier mesas.