Difference between revisions of "Mentzelia decapetala"
Ber. Deutsch. Bot. Ges. 10: 263. 1892.
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|elevation=300–2400 m. | |elevation=300–2400 m. | ||
|distribution=Alta.;Man.;Sask.;Colo.;Ill.;Iowa;Kans.;Minn.;Mont.;Nebr.;N.Mex.;Okla.;S.Dak.;Tex.;Utah;Wyo. | |distribution=Alta.;Man.;Sask.;Colo.;Ill.;Iowa;Kans.;Minn.;Mont.;Nebr.;N.Mex.;Okla.;S.Dak.;Tex.;Utah;Wyo. | ||
− | |discussion=<p>Mentzelia decapetala is introduced in Grundy County, Illinois. It appears to be native throughout the rest of its distribution.</p> | + | |discussion=<p><i>Mentzelia decapetala</i> is introduced in Grundy County, Illinois. It appears to be native throughout the rest of its distribution.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1892 | |publication year=1892 | ||
|special status=Weedy;Endemic | |special status=Weedy;Endemic | ||
− | |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_1075.xml |
|genus=Mentzelia | |genus=Mentzelia | ||
|section=Mentzelia sect. Bartonia | |section=Mentzelia sect. Bartonia |
Revision as of 15:43, 18 September 2019
Plants biennial or perennial, bushlike, perennials with ground-level caudices. Stems solitary, erect, straight; branches distal or along entire stem, proximal or distal longest, antrorse, straight to upcurved; hairy. Leaves: blade 72–295 × 14–45 mm, widest intersinus distance 10.1–23.3 mm; proximal oblanceolate or elliptic, margins serrate to pinnate, teeth or lobes 16–26, slightly antrorse, 1–16.5 mm; distal elliptic to lanceolate, base clasping or not, margins serrate to pinnate, teeth or lobes 9–20, slightly antrorse, 5.3–13.7 mm; surfaces with needlelike trichomes. Bracts: margins pinnate. Flowers: petals white, 47–75 × 13–22.7 mm, apex acute to attenuate, glabrous abaxially; stamens white to yellow, 5 outermost petaloid, filaments spatulate, strongly clawed, 48–75 × 12–23 mm, without anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 36–53 mm. Capsules cylindric, 30–43 × 12–17 mm, base tapering, not longitudinally ridged. Seeds 2.3–4 mm; coat anticlinal cell walls straight, papillae 4–10 per cell. 2n = 22.
Phenology: Flowering Jun–Aug(–Oct).
Habitat: Rock outcrops, slopes, dry short-grass prairies, riverbanks, roadsides, loam, limestone, sandy, silty, clayey, and gravelly soils.
Elevation: 300–2400 m.
Distribution
![V12 1075-distribution-map.jpg](/w/images/5/5c/V12_1075-distribution-map.jpg)
Alta., Man., Sask., Colo., Ill., Iowa, Kans., Minn., Mont., Nebr., N.Mex., Okla., S.Dak., Tex., Utah, Wyo.
Discussion
Mentzelia decapetala is introduced in Grundy County, Illinois. It appears to be native throughout the rest of its distribution.
Selected References
None.