Species Identification

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AttributeThe current selection is Penstemon_barnebyi
ClassificationPenstemon Penstemon Cristati
GeneralBarneby’s Penstemon. Blooms: late May to June.
Anther0.7-0.9 mm, opening full length and becoming flat, blue, essentially smooth.
StaminodeConspicuously exserted, coiled at tip, densely orange-yellow bearded, fertile stamens included.
Leaves2-5.5 cm (3/4-2 ¼”) long, entire or obscurely toothed, the basal and lower cauline ones lance-elliptic to spatulate, obtuse to rounded tips, petiolate (with stems), the upper cauline leaves lanceolate, acute to obtuse tipped, stemless.
StemsPerennial herb, 0.6-2 dm (2 ¼-8”) tall, with well developed basal leaves (mostly from short, sterile stems); flowering stems suberect to erect, few to several clustered on a thick, sometimes branched caudex; herbage retrorsely purberulent.
Inflorescense
Corolla10-14 mm (3/8-1/2”) long, the tube yellowish, the lower lip violet with blue tips, the throat white within with red-violet guide-lines, more or less abruptly ventricose-ampliate (enlarged and bulging on one side), strongly 2-lipped, upper lip projecting-arched, glandular-pubescent externally, palate pale yellow to densely brownish-yellow bearded.
Flower Color
Calyx4.5-7 mm (to ¼”) long, the segments linear-lanceolate, acute, glandular-pubescent, sometimes reddish-brown, the edges ragged.
HabitatAlluvial gravels or silts derived from limestone, in sagebrush and pinyon-juniper communities, 1500-2500 m (5000-8300’).
RangeEndemic to ec NV from the southern half of White Pine Co., to n Lincoln Co., and nc Nye, Co.
Penstemon barnebyi, Little Antelope Pass