Difference between revisions of "Mentzelia cronquistii"
Great Basin Naturalist 46: 550, figs. 2, 3A,B, 4A. 1986.
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|name=Mentzelia marginata var. cronquistii | |name=Mentzelia marginata var. cronquistii | ||
|authority=(H. J. Thompson & Prigge) N. H. Holmgren & P. K. Holmgren | |authority=(H. J. Thompson & Prigge) N. H. Holmgren & P. K. Holmgren | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Nuttallia cronquistii | |name=Nuttallia cronquistii | ||
|authority=(H. J. Thompson & Prigge) W. A. Weber | |authority=(H. J. Thompson & Prigge) W. A. Weber | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia cronquistii | |hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia cronquistii | ||
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name=Mentzelia cronquistii | name=Mentzelia cronquistii | ||
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|authority=H. J. Thompson & Prigge | |authority=H. J. Thompson & Prigge | ||
|rank=species | |rank=species | ||
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|publication year=1986 | |publication year=1986 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_518.xml |
|genus=Mentzelia | |genus=Mentzelia | ||
|section=Mentzelia sect. Bartonia | |section=Mentzelia sect. Bartonia | ||
Latest revision as of 19:16, 5 November 2020
Plants biennial, candelabra-form. Stems solitary, erect, straight; branches distal or along entire stem, proximal longer than distal, all usually extending to near the distal end of plant, antrorse, straight; hairy. Leaves: blade 21–101 × 4–10.7(–19.3) mm, widest intersinus distance 1.8–7.3(–12.6) mm; proximal oblanceolate, lanceolate, or elliptic, margins dentate to pinnate, teeth or lobes 8–28, perpendicular to leaf axis, 1.2–6(–9) mm, always some more than 4 mm; distal oblanceolate, elliptic, or lanceolate, base not clasping, margins dentate to pinnate, teeth or lobes 6–18, perpendicular to leaf axis, 1.1–5(–6.9) mm; abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with simple grappling-hook, needlelike, and occasionally complex grappling-hook trichomes. Bracts: margins entire or toothed to pinnate. Flowers: petals golden yellow, 9–16.6 × 2.5–5.1 mm, apex usually rounded, rarely acute, hairy abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 7.3–13.2 × 1.8–4.3 mm, usually without, rarely with anthers, second whorl with anthers; anthers straight after dehiscence, epidermis papillate or not; styles 6.5–10 mm. Capsules cup-shaped, 5.9–10.6(–11.4) × 5–7.6 mm, base tapering to rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls wavy, papillae 8–13 per cell. 2n = 20.
Phenology: Flowering May–Nov.
Habitat: Sandy and rocky soils, washes, roadside banks, steep slopes.
Elevation: 800–2300 m.
Distribution
Ariz., Colo., N.Mex., Utah.
Discussion
Selected References
None.