Difference between revisions of "Phemeranthus thompsonii"

(N. D. Atwood & S. L. Welsh) Kiger

Novon 11: 321. 2001.

Basionym: Talinum thompsonii N. D. Atwood & S. L. Welsh
Treatment appears in FNA Volume 4. Treatment on page 495. Mentioned on page 490, 494.
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|distribution=Utah.
 
|distribution=Utah.
 
|discussion=<p>Of conservation concern.</p><!--
 
|discussion=<p>Of conservation concern.</p><!--
--><p>Phemeranthus thompsonii is known only from Emery County. It is very similar to, and perhaps should be merged with, P. validulus, from which it differs mainly in having much shorter peduncles. When originally described, P. thompsonii was thought to differ also in having fewer stamens and longer leaves and petals, but in fact P. validulus sometimes has as few as six stamens, and has maximum leaf and petal lengths greater than those found in P. thompsonii.</p>
+
--><p><i>Phemeranthus thompsonii</i> is known only from Emery County. It is very similar to, and perhaps should be merged with, <i>P. validulus</i>, from which it differs mainly in having much shorter peduncles. When originally described, <i>P. thompsonii</i> was thought to differ also in having fewer stamens and longer leaves and petals, but in fact <i>P. validulus</i> sometimes has as few as six stamens, and has maximum leaf and petal lengths greater than those found in <i>P. thompsonii</i>.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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|publication year=2001
 
|publication year=2001
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_1008.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V4/V4_1008.xml
 
|genus=Phemeranthus
 
|genus=Phemeranthus
 
|species=Phemeranthus thompsonii
 
|species=Phemeranthus thompsonii

Revision as of 17:25, 18 September 2019

Plants to 5 dm; roots tuberous, fleshily woody. Stems spreading-ascending, branching, suffrutescent. Leaves sessile; blade subterete, to 3.5 cm. Inflorescences cymose, overtopping leaves; peduncle not scapelike, to 1 cm. Flowers: sepals persistent, ovate, to 5 mm; petals pink, obovate, to 8 mm, apex short-acuminate; stamens 10; stigma 1, capitate. Capsules apically keeled along sutures, ellipsoid, to 6.5 mm. Seeds without arcuate ridges, to 1.3 mm.


Phenology: Flowering Jul–Aug.
Habitat: Pinyon-juniper and ponderosa pine communities in silicious conglomeritic gravel
Elevation: 2000-2500 m

Discussion

Of conservation concern.

Phemeranthus thompsonii is known only from Emery County. It is very similar to, and perhaps should be merged with, P. validulus, from which it differs mainly in having much shorter peduncles. When originally described, P. thompsonii was thought to differ also in having fewer stamens and longer leaves and petals, but in fact P. validulus sometimes has as few as six stamens, and has maximum leaf and petal lengths greater than those found in P. thompsonii.

Selected References

None.

Lower Taxa

None.