View source for Penstemon pennellianus

{{Treatment/ID
|accepted_name=Penstemon pennellianus
|accepted_authority=D. D. Keck
|publications={{Treatment/Publication
|title=Amer. Midl. Naturalist
|place=23: 614. 1940
|year=1940
}}
|common_names=Pennell’s beardtongue
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Plantaginaceae;Penstemon;Penstemon subg. Penstemon;Penstemon sect. Glabri;Penstemon pennellianus
|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 pennellianus]]</div></div>
|volume=Volume 17
|mention_page=page 161
|treatment_page=page 176
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="stem orientation;stem some measurement;stem pubescence;stem pubescence"><b>Stems </b>ascending to erect, 18–85 cm, glabrous, not glaucous.</span> <span class="statement" id="st-d0_s1" data-properties=""><b>Leaves </b>basal and cauline, ± leathery or not, glabrous, not glaucous;</span> <span class="statement" id="st-d0_s2" data-properties="leaf position;leaf position;leaf texture;leaf texture;leaf pubescence;leaf pubescence;leaf position;whole-organism position;whole-organism position;blade shape;base shape;margin architecture or shape;apex shape">basal and proximal cauline 55–250 × 7–40 mm, blade lanceolate to elliptic, base tapered, margins entire, apex obtuse to acute;</span> <span class="statement" id="st-d0_s3" data-properties="cauline blade quantity;cauline blade architecture;cauline blade architecture;cauline blade length;cauline blade width;blade shape;base shape;base architecture or fixation;apex shape">cauline 3–5 pairs, short-petiolate or sessile, 40–83 × 10–36 mm, blade ovate to lanceolate, base tapered to clasping, apex obtuse to acute.</span> <span class="statement" id="st-d0_s4" data-properties="thyrse architecture;thyrse shape;thyrse some measurement;axis pubescence;verticillaster quantity;cyme architecture;cyme quantity"><b>Thyrses </b>continuous, cylindric, 4–35 cm, axis glabrous, verticillasters 4–11, cymes 1–6-flowered, 2 per node;</span> <span class="statement" id="st-d0_s5" data-properties="proximal bract shape;proximal bract length;proximal bract width">proximal bracts ovate to lanceolate, 22–85 × 11–35 mm;</span> <span class="statement" id="st-d0_s6" data-properties="peduncle pubescence;pedicel pubescence;peduncle some measurement;pedicel some measurement">peduncles and pedicels glabrous, peduncles to 20 mm, pedicels 1–6 mm.</span> <span class="statement" id="st-d0_s7" data-properties="calyx lobe shape;calyx lobe atypical length;calyx lobe length;calyx lobe width;apex shape;apex pubescence"><b>Flowers:</b> calyx lobes ovate to lanceolate, (5.3–) 6.5–8.5 × 1.6–3 mm, apex acuminate to caudate, glabrous;</span> <span class="statement" id="st-d0_s8" data-properties="corolla coloration;corolla coloration or density;corolla shape;corolla some measurement;corolla pubescence;corolla pubescence;nectar guide coloration;tube some measurement;throat shape;throat size;throat diameter;throat shape">corolla blue to violet or purple, with reddish purple nectar guides, ventricose, 29–35 mm, glabrous externally, glabrous internally, tube 8–11 mm, throat gradually inflated, not constricted at orifice, 9–10 mm diam., slightly 2-ridged abaxially;</span> <span class="statement" id="st-d0_s9" data-properties="stamen length or size;pollen-sac arrangement;pollen-sac course or shape;pollen-sac distance;pollen-sac dehiscence;pollen-sac position;pollen-sac quantity;pollen-sac dehiscence;connective architecture or dehiscence;side pubescence;hair coloration;hair coloration;hair some measurement;hair pubescence;suture shape;tooth some measurement">stamens: longer pair reaching orifice, pollen-sacs divergent to opposite, sigmoid, 2–2.7 mm, dehiscing incompletely, proximal 1/5–1/3 indehiscent, connective not splitting, sides sparsely hirsute, hairs white or tan, to 0.1 mm, especially near connective, sometimes merely scurfy near connective, sutures denticulate, teeth to 0.1 mm;</span> <span class="statement" id="st-d0_s10" data-properties="staminode some measurement;staminode diameter;tip course;tip position or shape;tip some measurement;tip pubescence;hair coloration;hair some measurement">staminode 16–20 mm, reaching orifice, 0.5–1 mm diam., tip straight, distal 4–6 mm ± uniformly sparsely pilose, hairs yellow, to 1 mm;</span> <span class="statement" id="st-d0_s11" data-properties="style some measurement">style 20–24 mm.</span> <span class="statement" id="st-d0_s12" data-properties="capsule length;capsule width"><b>Capsules </b>10–13 × 8–10 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun.
|habitat=Rocky ridges, sandy to rocky slopes, coniferous forests.
|elevation=1300–1800 m.
|distribution=Oreg.;Wash.
|discussion=<p>Penstemon pennellianus occurs primarily in the Blue Mountains of northeastern Oregon (Grant, Umatilla, Union, and Wallowa counties) and southeastern Washington (Asotin, Columbia, and Garfield counties).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Penstemon pennellianus
|authority=D. D. Keck
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Plantaginaceae
|phenology=Flowering May–Jun.
|habitat=Rocky ridges, sandy to rocky slopes, coniferous forests.
|elevation=1300–1800 m.
|distribution=Oreg.;Wash.
|reference=None
|publication title=Amer. Midl. Naturalist
|publication year=1940
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V17/V17_437.xml
|genus=Penstemon
|subgenus=Penstemon subg. Penstemon
|section=Penstemon sect. Glabri
|species=Penstemon pennellianus
|apex pubescence=glabrous
|apex shape=acuminate;caudate
|axis pubescence=glabrous
|base architecture or fixation=clasping
|base shape=tapered;tapered
|blade shape=ovate;lanceolate
|calyx lobe atypical length=5.3mm;6.5mm
|calyx lobe length=6.5mm;8.5mm
|calyx lobe shape=ovate;lanceolate
|calyx lobe width=1.6mm;3mm
|capsule length=10mm;13mm
|capsule width=8mm;10mm
|cauline blade architecture=sessile;short-petiolate
|cauline blade length=40mm;83mm
|cauline blade quantity=3;5
|cauline blade width=10mm;36mm
|connective architecture or dehiscence=not splitting
|corolla coloration=blue;violet
|corolla coloration or density=purple
|corolla pubescence=glabrous;glabrous
|corolla shape=ventricose
|corolla some measurement=29mm;35mm
|cyme architecture=1-6-flowered
|cyme quantity=2
|hair coloration=yellow;tan;white
|hair pubescence=scurfy
|hair some measurement=0mm;1mm
|leaf position=basal;cauline;basal
|leaf pubescence=not glaucous;glabrous
|leaf texture=not;leathery
|margin architecture or shape=entire
|nectar guide coloration=reddish purple
|pedicel pubescence=glabrous
|pedicel some measurement=1mm;6mm
|peduncle pubescence=glabrous
|peduncle some measurement=0mm;20mm
|pollen-sac arrangement=divergent;opposite
|pollen-sac course or shape=sigmoid
|pollen-sac dehiscence=indehiscent;dehiscing
|pollen-sac distance=2mm;2.7mm
|pollen-sac position=proximal
|pollen-sac quantity=1/5;1/3
|proximal bract length=22mm;85mm
|proximal bract shape=ovate;lanceolate
|proximal bract width=11mm;35mm
|side pubescence=hirsute
|stamen length or size=longer
|staminode diameter=0.5mm;1mm
|staminode some measurement=16mm;20mm
|stem orientation=ascending;erect
|stem pubescence=not glaucous;glabrous
|stem some measurement=18cm;85cm
|style some measurement=20mm;24mm
|suture shape=denticulate
|throat diameter=9mm;10mm
|throat shape=2-ridged;inflated
|throat size=not constricted
|thyrse architecture=continuous
|thyrse shape=cylindric
|thyrse some measurement=4cm;35cm
|tip course=straight
|tip position or shape=distal
|tip pubescence=pilose
|tip some measurement=4mm;6mm
|tooth some measurement=0mm;0.1mm
|tube some measurement=8mm;11mm
|verticillaster quantity=4;11
|whole-organism position=cauline;proximal
}}<!--

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