Difference between revisions of "Mentzelia saxicola"
Wrightia 4: 22. 1968.
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|elevation=500–1500 m. | |elevation=500–1500 m. | ||
|distribution=Tex.;Mexico (Chihuahua;Coahuila;Zacatecas). | |distribution=Tex.;Mexico (Chihuahua;Coahuila;Zacatecas). | ||
| − | |discussion=<p>Mentzelia saxicola occurs in the flora area in El Paso, Hudspeth, and Presidio counties.</p> | + | |discussion=<p><i>Mentzelia saxicola</i> occurs in the flora area in El Paso, Hudspeth, and Presidio counties.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Mentzelia saxicola | name=Mentzelia saxicola | ||
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|authority=H. J. Thompson & Zavortink | |authority=H. J. Thompson & Zavortink | ||
|rank=species | |rank=species | ||
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|publication year=1968 | |publication year=1968 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_960.xml |
|genus=Mentzelia | |genus=Mentzelia | ||
|section=Mentzelia sect. Bartonia | |section=Mentzelia sect. Bartonia | ||
Latest revision as of 19:18, 5 November 2020
Plants usually biennial, rarely perennial, bushlike or candelabra-form, perennials with ground-level caudices. Stems solitary or multiple, erect, straight; branches distal or along entire stem, distal longest or all ± equal, antrorse, upcurved; hairy. Leaves: blade 21–44.4 × 5.9–11.2 mm, widest intersinus distance 1.6–3.4 mm; proximal oblanceolate to elliptic, margins pinnate, lobes 6–14, slightly antrorse, 2.4–3.9 mm; distal oblanceolate, elliptic, or lanceolate, base not clasping, margins pinnate, lobes 4–12, slightly antrorse, 1.8–3.9 mm; abaxial surface with simple grappling-hook and complex grappling-hook trichomes, adaxial surface with simple grappling-hook and needlelike trichomes. Bracts: margins entire. Flowers: petals light to golden yellow, 11.7–16.6 × 3.8–4.8 mm, apex rounded, glabrous abaxially; stamens light to golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 10.4–14.6 × 2–3.8 mm, usually without, rarely with, anthers, second whorl with anthers; anthers twisted or straight after dehiscence, epidermis papillate or not; styles 6.8–9 mm. Capsules cup-shaped, 7–11.9 × 5.7–7.3 mm, length to 2 times diam., base rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls straight, papillae 38–45 per cell. 2n = 20.
Phenology: Flowering Mar–Oct.
Habitat: Dry roadsides, slopes.
Elevation: 500–1500 m.
Distribution
Tex., Mexico (Chihuahua, Coahuila, Zacatecas).
Discussion
Mentzelia saxicola occurs in the flora area in El Paso, Hudspeth, and Presidio counties.
Selected References
None.