Difference between revisions of "Mentzelia nuda"

(Pursh) Torrey & A. Gray

Fl. N. Amer. 1: 535. 1840.

Common names: Goodmother naked blazingstar or western star
WeedyIllustratedEndemic
Basionym: Bartonia nuda Pursh Fl. Amer. Sept. 1: 328, 2: 749. 1813 Mentzelia stricta (Osterhout) G. W. Stevens
Treatment appears in FNA Volume 12. Treatment on page 504. Mentioned on page 499, 506.
FNA>Volume Importer
 
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}}{{Treatment/ID/Special_status
 
}}{{Treatment/ID/Special_status
 
|code=F
 
|code=F
|label=Selected by author to be illustrated
+
|label=Illustrated
 
}}{{Treatment/ID/Special_status
 
}}{{Treatment/ID/Special_status
 
|code=E
 
|code=E
 
|label=Endemic
 
|label=Endemic
 
}}
 
}}
|basionyms={{Treatment/ID/Synonym
+
|basionyms={{Treatment/ID/Basionym
 
|name=Bartonia nuda
 
|name=Bartonia nuda
 
|authority=Pursh
 
|authority=Pursh
}}
+
|rank=species
|synonyms={{Treatment/ID/Synonym
+
|publication_title=Fl. Amer. Sept.
|name=2: 749.
+
|publication_place=1: 328, 2: 749. 1813
|authority=1813
+
}} {{Treatment/ID/Synonym
}}{{Treatment/ID/Synonym
 
 
|name=Mentzelia stricta
 
|name=Mentzelia stricta
 
|authority=(Osterhout) G. W. Stevens
 
|authority=(Osterhout) G. W. Stevens
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia nuda
 
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia nuda
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|elevation=100–2300 m.
 
|elevation=100–2300 m.
 
|distribution=Colo.;Kans.;Minn.;Mo.;Nebr.;N.Mex.;Okla.;S.Dak.;Tex.;Wyo.
 
|distribution=Colo.;Kans.;Minn.;Mo.;Nebr.;N.Mex.;Okla.;S.Dak.;Tex.;Wyo.
|discussion=<p>Mentzelia nuda is morphologically similar to, and phylogenetically near, M. strictissima (J. J. Schenk 2009), but it can be distinguished from the latter by its much larger flowers and capsules. The two species have adjacent ranges in New Mexico and Texas but do not overlap despite apparently similar habitat requirements. Mentzelia strictissima occurs west and south of M. nuda and abuts against the southernmost portion of the Rocky Mountains. In the northern portion of its range, M. nuda too approaches the foothills of the southern Rocky Mountains and extends eastward into the plains. Mentzelia nuda was collected once in northeastern Illinois in 1901 but apparently did not become established there. Reports of M. nuda from Arizona are based on misidentified material of M. laevicaulis and M. rusbyi.</p>
+
|discussion=<p><i>Mentzelia nuda</i> is morphologically similar to, and phylogenetically near, <i>M. strictissima</i> (J. J. Schenk 2009), but it can be distinguished from the latter by its much larger flowers and capsules. The two species have adjacent ranges in New Mexico and Texas but do not overlap despite apparently similar habitat requirements. <i>Mentzelia strictissima</i> occurs west and south of <i>M. nuda</i> and abuts against the southernmost portion of the Rocky Mountains. In the northern portion of its range, <i>M. nuda</i> too approaches the foothills of the southern Rocky Mountains and extends eastward into the plains. <i>Mentzelia nuda</i> was collected once in northeastern Illinois in 1901 but apparently did not become established there. Reports of <i>M. nuda</i> from Arizona are based on misidentified material of <i>M. laevicaulis</i> and <i>M. rusbyi</i>.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Mentzelia nuda
 
name=Mentzelia nuda
|author=
 
 
|authority=(Pursh) Torrey & A. Gray
 
|authority=(Pursh) Torrey & A. Gray
 
|rank=species
 
|rank=species
 
|parent rank=section
 
|parent rank=section
|synonyms=2: 749.;Mentzelia stricta
+
|synonyms=Mentzelia stricta
 
|basionyms=Bartonia nuda
 
|basionyms=Bartonia nuda
 
|family=Loasaceae
 
|family=Loasaceae
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|publication title=Fl. N. Amer.
 
|publication title=Fl. N. Amer.
 
|publication year=1840
 
|publication year=1840
|special status=Weedy;Selected by author to be illustrated;Endemic
+
|special status=Weedy;Illustrated;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V12/V12_1004.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_1004.xml
 
|genus=Mentzelia
 
|genus=Mentzelia
 
|section=Mentzelia sect. Bartonia
 
|section=Mentzelia sect. Bartonia

Latest revision as of 20:46, 9 December 2022

Plants winter annual, biennial, or perennial, candelabra-form, perennials with ground-level caudices. Stems solitary (or multiple as wound response), erect, straight; branches distal, distal longest, antrorse, straight; hairy. Leaves: blade 37–120 × 5–24.4 mm, widest intersinus distance 4.8–19.6 mm; proximal oblanceolate to elliptic, margins serrate, teeth 14–30, slightly antrorse, 0.6–4.9 mm; distal elliptic to lanceolate, base not clasping, margins serrate, teeth 12–30, slightly antrorse, 0.7–4.7 mm; abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with simple grappling-hook and needlelike trichomes. Bracts: margins pinnate. Flowers: petals white, 22.6–49 × 3.6–10.3 mm, apex acute, glabrous abaxially, stamens white, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 20–47 × 3–10.2 mm, without anthers, second whorl without anthers; anthers straight after dehiscence, epidermis smooth; styles 11.5–18.5 mm. Capsules cylindric, 14.5–29 × 6.9–12.3 mm, base tapering or rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls wavy, papillae 4–8 per cell. 2n = 20.


Phenology: Flowering Jun–Nov.
Habitat: Disturbed roadsides, hillsides, stream banks, sandy and rocky soils.
Elevation: 100–2300 m.

Distribution

V12 1004-distribution-map.jpg

Colo., Kans., Minn., Mo., Nebr., N.Mex., Okla., S.Dak., Tex., Wyo.

Discussion

Mentzelia nuda is morphologically similar to, and phylogenetically near, M. strictissima (J. J. Schenk 2009), but it can be distinguished from the latter by its much larger flowers and capsules. The two species have adjacent ranges in New Mexico and Texas but do not overlap despite apparently similar habitat requirements. Mentzelia strictissima occurs west and south of M. nuda and abuts against the southernmost portion of the Rocky Mountains. In the northern portion of its range, M. nuda too approaches the foothills of the southern Rocky Mountains and extends eastward into the plains. Mentzelia nuda was collected once in northeastern Illinois in 1901 but apparently did not become established there. Reports of M. nuda from Arizona are based on misidentified material of M. laevicaulis and M. rusbyi.

Selected References

None.

Lower Taxa

None.
... more about "Mentzelia nuda"
John J. Schenk +  and Larry Hufford +
(Pursh) Torrey & A. Gray +
Bartonia nuda +
Goodmother +  and naked blazingstar or western star +
Colo. +, Kans. +, Minn. +, Mo. +, Nebr. +, N.Mex. +, Okla. +, S.Dak. +, Tex. +  and Wyo. +
100–2300 m. +
Disturbed roadsides, hillsides, stream banks, sandy and rocky soils. +
Flowering Jun–Nov. +
Fl. N. Amer. +
Weedy +, Illustrated +  and Endemic +
Mentzelia stricta +
Mentzelia nuda +
Mentzelia sect. Bartonia +
species +