Species Identification

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

AttributeThe current selection is Penstemon_stephensii
ClassificationPenstemon Penstemon Peltanthera Peltanthera
GeneralStephens’ Penstemon RARE. Blooms: May to June.
Anther0.8-1.1 mm, spreading flat.
StaminodeIncluded, smooth.
LeavesThin, upper cauline ones 25-50 mm (1-2”) long, triangular-ovate, pairs fused at base, finely and sharply serrate.
StemsShrub 3-15 dm (12-60”) tall, hairless.
InflorescenseSmooth to glandular, cyme sometimes 5-flowered.
Corolla15-20 mm (1/2-3/4”) long, rose to magenta, unlined, glandular outside and inside (floor lacks non-glandular hairs).
Flower Color
Calyx3-5.2 mm (1/4”) long, lobes ovate to round.
HabitatRocky slopes, washes, rock crevices in creosote-bush scrub, juniper/pinyon woodland, 1200-1500 m (4000-5000’) elev.
RangeProvidence Mts., San Bernardino Co., CA