Difference between revisions of "Chenopodium glaucum"
Sp. Pl. 1: 220. 1753.
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|common_names=Oak-leaf goosefoot | |common_names=Oak-leaf goosefoot | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Conn.;Del.;Fla.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Mass.;Md.;Mich.;Minn.;Mo.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Nev.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;Asia. |
|discussion=<p>Varieties 3 or more (2 in the flora).</p><!-- | |discussion=<p>Varieties 3 or more (2 in the flora).</p><!-- | ||
--><p>Several entities (segregate species, subspecies, varieties, and forms) have been described within the <i>Chenopodium glaucum</i> group. Most of the taxa represent morphological traits of individual or ecological variability and have little or no taxonomic importance. However, several entities are well delimited geographically. The native North American taxon is recognized here as a separate variety.</p> | --><p>Several entities (segregate species, subspecies, varieties, and forms) have been described within the <i>Chenopodium glaucum</i> group. Most of the taxa represent morphological traits of individual or ecological variability and have little or no taxonomic importance. However, several entities are well delimited geographically. The native North American taxon is recognized here as a separate variety.</p> | ||
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|basionyms= | |basionyms= | ||
|family=Chenopodiaceae | |family=Chenopodiaceae | ||
| − | |distribution= | + | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Conn.;Del.;Fla.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Mass.;Md.;Mich.;Minn.;Mo.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Nev.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;Asia. |
|reference=None | |reference=None | ||
|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_523.xml |
|genus=Chenopodium | |genus=Chenopodium | ||
|subgenus=Chenopodium subg. Blitum | |subgenus=Chenopodium subg. Blitum | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Chenopodium sect. Glauca]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Chenopodium sect. Glauca]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 17:01, 6 November 2020
Stems erect to prostrate, branched from base, 0.5–2.5(–4) dm, farinose. Leaves nonaromatic; petiole to 1 cm; blade lanceolate to oblong or ovate, 0.5–4 × 0.3–1.5 cm, base cuneate, margins undulate-dentate, teeth obtuse or acute, apex obtuse or acute, densely farinose, glaucous abaxially. Inflorescences glomerules in terminal or lateral spikes, 5–10 cm; glomerules subglobose, 1.8–2.5 mm diam.; bracts leaflike in inflorescence, elliptic, 0.2–1 × 0.1–0.5 cm, or absent at least in terminal 1/2 of inflorescence. Flowers: perianth segments 3–4; lobes obovate to oblong, 0.5–0.7 × 0.4–0.5 mm, apex obtuse, rounded, not keeled, covering fruit at maturity; stamen 1; stigmas 2. Utricles ovoid; pericarp nonadherent, smooth. Seeds mostly horizontal, some vertical, margins rounded; vertical seeds ovoid to round, 0.6–1.1 mm diam.; horizontal seeds round, 0.6–1.1 mm diam.; seed coat reddish brown, rugose-punctate. 2n = 18.
Distribution
Alta., B.C., Man., N.B., N.S., N.W.T., Ont., P.E.I., Que., Sask., Yukon, Alaska, Ariz., Calif., Colo., Conn., Del., Fla., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Md., Mich., Minn., Mo., Mont., N.Dak., N.H., N.J., N.Mex., N.Y., Nebr., Nev., Ohio, Oreg., Pa., R.I., S.Dak., Utah, Va., Vt., W.Va., Wash., Wis., Wyo., Asia.
Discussion
Varieties 3 or more (2 in the flora).
Several entities (segregate species, subspecies, varieties, and forms) have been described within the Chenopodium glaucum group. Most of the taxa represent morphological traits of individual or ecological variability and have little or no taxonomic importance. However, several entities are well delimited geographically. The native North American taxon is recognized here as a separate variety.
Selected References
None.
Key
| 1 | Inflorescences without leaflike bracts, at least on terminal 1/2; leaf blade apices obtuse; vertical seeds 0.6-0.9 mm | Chenopodium glaucum var. glaucum |
| 1 | Inflorescences with leaflike bracts throughout; leaf blade apices acute; vertical seeds 0.9-1.1 mm | Chenopodium glaucum var. salinum |