Difference between revisions of "Mentzelia rhizomata"
Syst. Bot. 27: 763, figs. 1, 2. 2002.
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|name=Nuttallia rhizomata | |name=Nuttallia rhizomata | ||
|authority=(Reveal) W. A. Weber & R. C. Wittmann | |authority=(Reveal) W. A. Weber & R. C. Wittmann | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia rhizomata | |hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia rhizomata | ||
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|elevation=1700–2100 m. | |elevation=1700–2100 m. | ||
|distribution=Colo. | |distribution=Colo. | ||
| − | |discussion=<p>Mentzelia rhizomata is known only from Garfield County.</p> | + | |discussion=<p><i>Mentzelia rhizomata</i> is known only from Garfield County.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Mentzelia rhizomata | name=Mentzelia rhizomata | ||
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|authority=Reveal | |authority=Reveal | ||
|rank=species | |rank=species | ||
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|publication year=2002 | |publication year=2002 | ||
|special status=Endemic;Conservation concern | |special status=Endemic;Conservation concern | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_543.xml |
|genus=Mentzelia | |genus=Mentzelia | ||
|section=Mentzelia sect. Bartonia | |section=Mentzelia sect. Bartonia | ||
Latest revision as of 19:16, 5 November 2020
Plants perennial, bushlike, with rhizomes. Stems multiple, erect or decumbent, zigzag; branches along entire stem, distal longest, antrorse, upcurved; hairy. Leaves: blade 8.1–29 × 4.1–12.7 mm, widest intersinus distance 4.1–7.4 mm; proximal oblanceolate, margins entire; distal elliptic, base not clasping, margins entire or dentate, teeth 0–8, perpendicular to leaf axis, 0.6–2.7 mm; abaxial surface with simple grappling-hook and needlelike trichomes, adaxial surface with needlelike trichomes. Bracts: margins entire. Flowers: petals golden yellow, 12.5–17.2 × 6.1–11.2 mm, apex rounded to obtuse, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, strongly clawed, 7–9.5 × 2.7–6 mm, with anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 7–10 mm. Capsules cup-shaped, 7–10 × 6.5–8 mm, base rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls straight, papillae 9–13 per cell.
Phenology: Flowering Jul–Aug.
Habitat: Sparsely vegetated, steep talus slopes with loose gravelly soils.
Elevation: 1700–2100 m.
Discussion
Mentzelia rhizomata is known only from Garfield County.
Selected References
None.