Difference between revisions of "Listera ovata"
in W. Aiton and W. T. Aiton, Hortus Kew. 5: 201. 1813.
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|common_names=Common twayblade | |common_names=Common twayblade | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Ophrys ovata | |name=Ophrys ovata | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
|publication_title=Sp. Pl. | |publication_title=Sp. Pl. | ||
|publication_place=2: 946. 1753 | |publication_place=2: 946. 1753 | ||
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|name=Diphryllum ovatum | |name=Diphryllum ovatum | ||
|authority=(Linnaeus) Kuntze | |authority=(Linnaeus) Kuntze | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Distomaea ovata | |name=Distomaea ovata | ||
|authority=(Linnaeus) Spenner | |authority=(Linnaeus) Spenner | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Epipactis ovata | |name=Epipactis ovata | ||
|authority=(Linnaeus) Crantz | |authority=(Linnaeus) Crantz | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Helleborine ovata | |name=Helleborine ovata | ||
|authority=(Linnaeus) F. W. Schmidt | |authority=(Linnaeus) F. W. Schmidt | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Neottia latifolia | |name=Neottia latifolia | ||
|authority=Richard | |authority=Richard | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Neottia ovata | |name=Neottia ovata | ||
|authority=(Linnaeus) Bluff & Fingerhut | |authority=(Linnaeus) Bluff & Fingerhut | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Orchidaceae;Orchidaceae subfam. Epidendroideae;Orchidaceae tribe Neottieae;Orchidaceae (tribe Neottieae) subtribe Limodorinae;Listera;Listera ovata | |hierarchy=Orchidaceae;Orchidaceae subfam. Epidendroideae;Orchidaceae tribe Neottieae;Orchidaceae (tribe Neottieae) subtribe Limodorinae;Listera;Listera ovata | ||
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|elevation=700–800 m | |elevation=700–800 m | ||
|distribution=Ont.;Eurasia. | |distribution=Ont.;Eurasia. | ||
| + | |introduced=true | ||
|discussion=<p><i>Listera ovata</i> is a large, robust, aggressive, and exceedingly common orchid weed found in many kinds of habitat throughout Europe into Siberia and India. It may have the potential to become a weedy orchid in North America just as <i>Epipactis helleborine</i>. <i>Listera ovata</i> was used by Charles Darwin in his investigation and description of the method of cross-fertilization in the genus <i>Listera</i>.</p> | |discussion=<p><i>Listera ovata</i> is a large, robust, aggressive, and exceedingly common orchid weed found in many kinds of habitat throughout Europe into Siberia and India. It may have the potential to become a weedy orchid in North America just as <i>Epipactis helleborine</i>. <i>Listera ovata</i> was used by Charles Darwin in his investigation and description of the method of cross-fertilization in the genus <i>Listera</i>.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Listera ovata | name=Listera ovata | ||
| − | |||
|authority=(Linnaeus) R. Brown | |authority=(Linnaeus) R. Brown | ||
|rank=species | |rank=species | ||
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|publication title=in W. Aiton and W. T. Aiton, Hortus Kew. | |publication title=in W. Aiton and W. T. Aiton, Hortus Kew. | ||
|publication year=1813 | |publication year=1813 | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_1205.xml |
|subfamily=Orchidaceae subfam. Epidendroideae | |subfamily=Orchidaceae subfam. Epidendroideae | ||
|tribe=Orchidaceae tribe Neottieae | |tribe=Orchidaceae tribe Neottieae | ||
Latest revision as of 22:12, 5 November 2020
Plants 20–60 cm. Stem green, stout, succulent, glabrous. Leaves: blade yellow-green to green, ovate-elliptic, 10–17 × 10–12 cm, apex acute. Inflorescences 10–100-flowered, lax to dense, 10–50 cm; floral bracts lanceolate, 3 × 1 mm; peduncle and rachis glandular-pubescent. Flowers yellowish green; pedicels stout, 3–4 mm, slightly glandular-pubescent; sepals and petals projecting forward, connivent, forming hood over column; dorsal sepal ovate, concave, 5–6 × 2–3 mm, apex obtuse; lateral sepals ovate, concave, falcate, 4 × 2–3 mm, apex obtuse; petals linear, concave, 4 × 1 mm, apex obtuse; lip acutely deflexed near base, sessile, linear, apical 1/2 expanded, cleft into bluntly rounded lobes separated by tooth in sinus; disc with longitudinal thickened ridge leading to deflection, 8–10 × 4 mm; column short, 2 × 1.5 mm. Capsules semierect, ellipsoid, 10 × 6 mm. 2n = 32, 34, 35, 36, 37, 38, 40, 42.
Phenology: Flowering late Jun–Jul.
Habitat: Moist rich humus, or in disturbed areas
Elevation: 700–800 m
Distribution
Introduced; Ont., Eurasia.
Discussion
Listera ovata is a large, robust, aggressive, and exceedingly common orchid weed found in many kinds of habitat throughout Europe into Siberia and India. It may have the potential to become a weedy orchid in North America just as Epipactis helleborine. Listera ovata was used by Charles Darwin in his investigation and description of the method of cross-fertilization in the genus Listera.
Selected References
None.