View source for Penstemon longiflorus

{{Treatment/ID
|accepted_name=Penstemon longiflorus
|accepted_authority=(Pennell) S. L. Clark
|publications={{Treatment/Publication
|title=Great Basin Naturalist
|place=35: 434. 1976
|year=1976
}}
|common_names=Long-flower beardtongue
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Penstemon cyananthus subsp. longiflorus
|authority=Pennell
|rank=subspecies
|publication_title=Contr. U.S. Natl. Herb.
|publication_place=20: 353. 1920
}}
|synonyms=
|hierarchy=Plantaginaceae;Penstemon;Penstemon subg. Penstemon;Penstemon sect. Glabri;Penstemon longiflorus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Plantaginaceae]]</div><div class="higher-taxon"><small>genus</small>[[Penstemon]]</div><div class="higher-taxon"><small>subgenus</small>[[Penstemon subg. Penstemon]]</div><div class="higher-taxon"><small>section</small>[[Penstemon sect. Glabri]]</div><div class="higher-taxon"><small>species</small>[[Penstemon longiflorus]]</div></div>
|volume=Volume 17
|mention_page=page 161, 163
|treatment_page=page 172
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>ascending to erect, (11–)20–60 cm, ± puberulent proximally, glabrous distally, not glaucous. <b>Leaves</b> basal and cauline, not leathery, proximals ± puberulent, distals glabrous, not glaucous; basal and proximal cauline (24–)40–90(–120) × 6–20(–30) mm, blade obovate, base tapered, margins entire, apex obtuse to acute; cauline 3–5 pairs, sessile, (25–)35–70 × 8–23 mm, blade ovate to lanceolate or elliptic, base tapered to clasping, apex acute, rarely obtuse. <b>Thyrses</b> interrupted, secund, 7–21 cm, axis glabrous, verticillasters 3–6, cymes 1- or 2(or 3)-flowered, 2 per node; proximal bracts ovate to lanceolate, 5–28 × 2.5–24 mm; peduncles and pedicels glabrous, peduncles to 26 mm, pedicels 1–8(–12) mm. <b>Flowers</b>: calyx lobes ovate, 4.5–7 × 2.5–3 mm, apex acute to acuminate, glabrous; corolla blue to violet, without nectar guides, ventricose, (20–)24–30(–32) mm, glabrous externally, glabrous internally, tube 8–11 mm, throat gradually inflated, not constricted at orifice, 8–10(–12) mm diam., 2-ridged abaxially; stamens: longer pair reaching orifice, pollen sacs divergent, rarely nearly opposite, sigmoid, 1.8–2.4(–2.8) mm, dehiscing incompletely, proximal 1/5 indehiscent, connective not splitting, sides sparsely hispid, hairs white, to 0.3 mm, sutures denticulate, teeth to 0.1 mm; staminode 14–16 mm, included, 0.6–1 mm diam., tip straight to recurved, distal 0.5–1 mm moderately pilose, hairs yellow, to 0.8 mm, remaining distal 3–4 mm with scattered yellow hairs; style 18–22 mm. <b>Capsules</b> 8–14 × 6–10 mm. <b>2n</b> = 16.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Jul.
|habitat=Sagebrush shrublands, Gambel oak and mountain mahogany woodlands.
|elevation=1800–2700 m.
|distribution=Utah.
|discussion=<p><i>Penstemon longiflorus</i> is known from Beaver, Juab, Millard, Piute, Sevier, and Tooele counties (E. C. Neese and N. D. Atwood 2003). The species is most often confused with the partially sympatric <i>P. cyananthus</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Penstemon longiflorus
|authority=(Pennell) S. L. Clark
|rank=species
|parent rank=section
|synonyms=
|basionyms=Penstemon cyananthus subsp. longiflorus
|family=Plantaginaceae
|phenology=Flowering Jun–Jul.
|habitat=Sagebrush shrublands, Gambel oak and mountain mahogany woodlands.
|elevation=1800–2700 m.
|distribution=Utah.
|reference=None
|publication title=Great Basin Naturalist
|publication year=1976
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V17/V17_426.xml
|genus=Penstemon
|subgenus=Penstemon subg. Penstemon
|section=Penstemon sect. Glabri
|species=Penstemon longiflorus
}}<!--

-->[[Category:Treatment]][[Category:Penstemon sect. Glabri]]