Difference between revisions of "Plantago maritima"
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--><p>Since the 1930s, when <i>Plantago maritima</i> was shown to have high levels of phenotypic plasticity (J. W. Gregor and J. M. S. Lang 1950), it usually has been accepted in a broad sense. That approach is followed here, with all dwarf and loose-flowered forms (such as <i>P. borealis</i> and P. decipiens, respectively) included under this name.</p> | --><p>Since the 1930s, when <i>Plantago maritima</i> was shown to have high levels of phenotypic plasticity (J. W. Gregor and J. M. S. Lang 1950), it usually has been accepted in a broad sense. That approach is followed here, with all dwarf and loose-flowered forms (such as <i>P. borealis</i> and P. decipiens, respectively) included under this name.</p> | ||
|tables= | |tables= | ||
− | |references= | + | |references={{Treatment/Reference |
+ | |id=gregor1950a | ||
+ | |text=Gregor, J. W. and J. M. S. Lang. 1950. Intra-colonial variation in plant size and habit in Plantago maritima. New Phytol. 49: 135–141. | ||
+ | }} | ||
}}<!-- | }}<!-- | ||
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|elevation=0–800 m. | |elevation=0–800 m. | ||
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Conn.;Maine;Mass.;N.H.;N.J.;N.Y.;Oreg.;R.I.;Va.;Wash.;Mexico;Central America;South America;Eurasia;Africa. | |distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Conn.;Maine;Mass.;N.H.;N.J.;N.Y.;Oreg.;R.I.;Va.;Wash.;Mexico;Central America;South America;Eurasia;Africa. | ||
− | |reference= | + | |reference=gregor1950a |
|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
|special status= | |special status= | ||
− | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_698.xml |
|genus=Plantago | |genus=Plantago | ||
|species=Plantago maritima | |species=Plantago maritima |
Latest revision as of 20:36, 5 November 2020
Perennials, rarely annuals; caudex absent or well developed, conspicuous, glabrous or hairy; roots taproots, thick. Stems 0–40 mm, usually branched. Leaves 10–220 × (1–)10–15 mm; blade linear to lanceolate, margins entire or toothed, veins not conspicuous, surfaces glabrous, sometimes hairy. Scapes 40–120 mm, glabrous or hirsute. Spikes greenish or brownish, (15–)50–200(–290) mm, densely or loosely flowered; bracts broadly ovate, 1.5–4(–6) mm, length 0.8–1.2 times sepals. Flowers: sepals 1.5–3.5 mm; corolla radially symmetric, tube hairy, lobes reflexed, 1–1.5 mm, base obtuse; stamens 4. Seeds 1–3, 1.5–3 mm. 2n = 24.
Phenology: Flowering summer.
Habitat: Marine shorelines, crevices of large rocks in sea spray, coastal and inland salt marshes, alkaline and saline flats, roadsides.
Elevation: 0–800 m.
Distribution
Greenland, St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Calif., Conn., Maine, Mass., N.H., N.J., N.Y., Oreg., R.I., Va., Wash., Mexico, Central America, South America, Eurasia, Africa.
Discussion
Plantago maritima has been reported from Utah; no specimen supporting that report has been found.
Since the 1930s, when Plantago maritima was shown to have high levels of phenotypic plasticity (J. W. Gregor and J. M. S. Lang 1950), it usually has been accepted in a broad sense. That approach is followed here, with all dwarf and loose-flowered forms (such as P. borealis and P. decipiens, respectively) included under this name.