Species Identification

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

AttributeThe current selection is Penstemon_clevelandii
ClassificationPenstemon Penstemon Peltanthera Peltanthera
GeneralCleveland’s Penstemon. Blooms: March to May.
AntherDehiscing (opening) full length, opposite, vary in opening.
StaminodeIncluded, glabrous to densely hairy.
LeavesThick, 2-6 cm (3/4-2 ¼”) long, more less ovate, entire to serrate.
StemsPerennial 3-7 dm (12-28”) tall, much branched, glabrous (hairless).
InflorescenseGlabrous or glandular (tacky).
Corolla18-24 mm (3/4-7/8”) long, pink, magenta, or reddish purple, unlined, narrowly expanded outward into throat, small flaring lips, glandular outside and inside (floor lacks nonglandular hairs).
Flower Color
Calyx3.5-6.5 mm, (to ¼”) long, sepals ovate to more or less round.
HabitatRocky hillsides, rock crevices in creosote-bush scrub, juniper/pinyon woodland, chaparral; 400-1500 m (1200-5000’) elev.
RangePeninsular Ranges, Southern Desert Mountains, western Sonoran Desert, MEX. subsp clevelandii: Leaves entire to moderately serrate; upper cauline leaf bases free, cordate-clasping to rounded, anther sacs 0.8-1.3 mm, spreading flat; staminode glabrous or sparsely hairy, habitats and elevations of species, freely hybridizes with P. centranthifolius in its range, to n Baja Cal., Mexico and w Sonoran Desert, Mex. subsp connatus Munz & I. M. Johnston, San Jacinto Beardtongue; Leaves sharply serrate; upper cauline leaf bases fused around stem, anther sacs 1.3-1.6 mm, opening full length, cells barely spreading, staminode more or less hairy, UNCOMMON in habitats and elevations of species (plus east slope San Jacinto Mts., Santa Rosa Mts.). subsp mohavensis Keck Sharply serrated, light green leaves, calyx 4-5 mm long, lobes ovate, corolla lower lip with dense beard, staminode the hairiest of the subspecies, mountains north and south of the Mojave Desert.