Difference between revisions of "Euphrasia tetraquetra"
Bull. Soc. Polymath. Morbihan 1862: 96. 1863.
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|name=Euphrasia officinalis var. brébisson | |name=Euphrasia officinalis var. brébisson | ||
|authority= | |authority= | ||
| + | |rank=variety | ||
|publication_title=Fl. Normandie ed. | |publication_title=Fl. Normandie ed. | ||
|publication_place=2, 183. 1849 | |publication_place=2, 183. 1849 | ||
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|elevation=0–200 m. | |elevation=0–200 m. | ||
|distribution=N.S.;Ont.;Que.;Maine;n Europe. | |distribution=N.S.;Ont.;Que.;Maine;n Europe. | ||
| + | |introduced=true | ||
|tables= | |tables= | ||
|references= | |references= | ||
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name=Euphrasia tetraquetra | name=Euphrasia tetraquetra | ||
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|authority=(Brébisson) Arrondeau | |authority=(Brébisson) Arrondeau | ||
|rank=species | |rank=species | ||
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|publication year=1863 | |publication year=1863 | ||
|special status=Weedy;Introduced | |special status=Weedy;Introduced | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_851.xml |
|genus=Euphrasia | |genus=Euphrasia | ||
|species=Euphrasia tetraquetra | |species=Euphrasia tetraquetra | ||
Latest revision as of 19:37, 5 November 2020
Stems branched, sometimes simple, to 12(–18) cm; branches 1–3(–5), from middle and distal, sometimes basal, nodes; cauline internode lengths 0.8–1.5 times subtending leaves. Leaves: blade +/- ovate, 2–8(–11) mm, margins serrate-dentate, teeth 2 or 3(–6) pairs, apices subacute to acute. Inflorescences densely spicate, sometimes 4-angled, beginning at node 3–5(–7); bracts light to dark green, broader than leaves, ovate to obovate, length not more than 2 times width, (4–)5–7(–9) mm, glossy, surfaces glabrous or hairy and hairs eglandular bristles on veins, teeth 4 or 5 pairs, as long as or longer than wide, apices acute, sometimes aristate, sinuses between teeth acute. Flowers: calyx lobes straight, apex acute; corolla white, adaxial lip sometimes tinged lilac, 4–5 mm, abaxial lip exceeding adaxial. Capsules oblong, 3–6 mm, apex truncate. 2n = 44 (England).
Phenology: Flowering summer.
Habitat: Grassy and gravelly places, coastal.
Elevation: 0–200 m.
Distribution
Introduced; N.S., Ont., Que., Maine, n Europe.
Discussion
Selected References
None.