Difference between revisions of "Mentzelia goodrichii"
Rhodora 95: 407, fig. 14. 1993.
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|elevation=1900–2700 m. | |elevation=1900–2700 m. | ||
|distribution=Utah. | |distribution=Utah. | ||
| − | |discussion=<p>Mentzelia goodrichii is known only from Duchesne County.</p> | + | |discussion=<p><i>Mentzelia goodrichii</i> is known only from Duchesne County.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1993 | |publication year=1993 | ||
|special status=Endemic;Conservation concern | |special status=Endemic;Conservation concern | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_650.xml |
|genus=Mentzelia | |genus=Mentzelia | ||
|section=Mentzelia sect. Bartonia | |section=Mentzelia sect. Bartonia | ||
Revision as of 14:48, 18 September 2019
Plants perennial, bushlike, with subterranean caudices or rhizomes. Stems multiple, erect or decumbent, zigzag or straight; branches along entire stem, distal longest, antrorse, straight; hairy. Leaves: blade 23–35.3 × 6.5–13(–16) mm, widest intersinus distance 3.7–11.3 mm; proximal oblanceolate, margins dentate, teeth 4–10, perpendicular to leaf axis, 0.5–1.8 mm; distal elliptic to lanceolate, base not clasping, margins dentate to pinnate, teeth or lobes 4–8, perpendicular to leaf axis, 1.3–3.6 mm; abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with simple grappling-hook and needlelike trichomes. Bracts: margins entire. Flowers: petals golden yellow, 16.1–18.5 × 6.7–9.2 mm, apex rounded, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 7.8–9.3 × 2.3–3.3 mm, with anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 6.3–8.6 mm. Capsules cup-shaped, 8–12 × 6–7.2 mm, base rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls straight, papillae 11–15 per cell.
Phenology: Flowering Jul–Aug.
Habitat: Steep slopes composed of Green River Formation shale.
Elevation: 1900–2700 m.
Discussion
Mentzelia goodrichii is known only from Duchesne County.
Selected References
None.