Difference between revisions of "Penstemon sect. Ambigui"

(Rydberg) Pennell

Contr. U.S. Natl. Herb. 20: 326, 333. 1920.

Basionym: Penstemon [unranked] Ambigui Rydberg Fl. Colorado, 306. 1906
Treatment appears in FNA Volume 17. Treatment on page 94. Mentioned on page 92, 95.
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|year=1920
 
|year=1920
 
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|basionyms={{Treatment/ID/Synonym
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|basionyms={{Treatment/ID/Basionym
 
|name=Penstemon
 
|name=Penstemon
 
|authority=[unranked] Ambigui Rydberg
 
|authority=[unranked] Ambigui Rydberg
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|rank=genus
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|publication_title=Fl. Colorado,
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|publication_place=306. 1906
 
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|synonyms=
 
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|distribution=w United States;n Mexico.
 
|distribution=w United States;n Mexico.
 
|discussion=<p>Species 2 (2 in the flora).</p><!--
 
|discussion=<p>Species 2 (2 in the flora).</p><!--
--><p>Section Ambigui includes two subshrubby species of the southwestern and south-central United States and northern Mexico.</p>
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--><p><i>Section</i> Ambigui includes two subshrubby species of the southwestern and south-central United States and northern Mexico.</p>
 
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name=Penstemon sect. Ambigui
 
name=Penstemon sect. Ambigui
|author=
 
 
|authority=(Rydberg) Pennell
 
|authority=(Rydberg) Pennell
 
|rank=section
 
|rank=section
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|publication year=1920
 
|publication year=1920
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V17/V17_254.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_254.xml
 
|genus=Penstemon
 
|genus=Penstemon
 
|subgenus=Penstemon subg. Penstemon
 
|subgenus=Penstemon subg. Penstemon

Latest revision as of 19:31, 5 November 2020

Subshrubs. Stems glabrous, glabrate, or scabrous proximally, not glaucous. Leaves cauline, opposite, not leathery, glabrous or scabrous, not glaucous; cauline sessile, blade linear, margins entire. Thyrses interrupted, cylindric to conic, axis glabrous or scabrous, cymes 2 per node; peduncles and pedicels spreading or ascending. Flowers: calyx lobes: margins entire or erose, broadly scarious, glabrous; corolla pink or lavender to violet, bilaterally symmetric, bilabiate, not personate, salverform or funnelform, glabrous externally, glandular-pubescent internally abaxially, throat slightly inflated, not constricted at orifice, rounded abaxially; stamens included or longer pair reaching orifice or barely exserted, filaments glabrous, pollen sacs divergent, explanate, dehiscing completely, connective splitting, sides glabrous, sutures smooth; staminode included, terete or slightly flattened distally, 0.1 mm diam., tip straight, glabrous; style glabrous. Capsules glabrous. Seeds dark brown to reddish brown, angled, 1–2.8 mm.

Distribution

w United States, n Mexico.

Discussion

Species 2 (2 in the flora).

Section Ambigui includes two subshrubby species of the southwestern and south-central United States and northern Mexico.

Selected References

None.

Key

1 Corollas salverform, (14–)16–22(–28) mm. Penstemon ambiguus
1 Corollas funnelform, 8–14 mm. Penstemon thurberi