Difference between revisions of "Ophioglossum petiolatum"
Exot. Fl. 1: 56. 1823.
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|common_names=Stalked adder's-tongue | |common_names=Stalked adder's-tongue | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=0-90m | |elevation=0-90m | ||
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;Mo.;N.C.;Okla.;S.C.;Tex.;Va.;West Indies;Mexico;n South America;Asia;Pacific Islands. | |distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;Mo.;N.C.;Okla.;S.C.;Tex.;Va.;West Indies;Mexico;n South America;Asia;Pacific Islands. | ||
| + | |introduced=true | ||
|discussion=<p><i>Ophioglossum petiolatum</i> grows readily in pots, making it suitable for botany instruction. Earliest records in North America date from 1900 to 1930, suggesting that it is probably introduced.</p> | |discussion=<p><i>Ophioglossum petiolatum</i> grows readily in pots, making it suitable for botany instruction. Earliest records in North America date from 1900 to 1930, suggesting that it is probably introduced.</p> | ||
|tables= | |tables= | ||
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|publication title=Exot. Fl. | |publication title=Exot. Fl. | ||
|publication year=1823 | |publication year=1823 | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V2/V2_324.xml |
|genus=Ophioglossum | |genus=Ophioglossum | ||
|species=Ophioglossum petiolatum | |species=Ophioglossum petiolatum | ||
Revision as of 21:12, 27 May 2020
Roots dark brown, to 8 per plant, 0.8-1.3 mm diam., producing proliferations. Stem upright, 0.3-1 cm, 1.5-2.5mm diam., 2-3 leaves per stem. Trophophore stalk 0-3mm, 0-0.1 times length of blade. Trophophore blade erect to spreading, usually plane or nearly so when alive, gray-green, dull, ovate to trowel-shaped, to 6 × 3cm, fleshy, cuneate to truncate to nearly cordate at base, contracted gradually to acute apex, apiculum mostly absent; venation coarse, reticulate, areoles large with few free or anastomosing included veinlets. Sporophores arising at ground level, 0.8-7 times length of trophophore; sporangial clusters to 4 × 0.35 cm, with up to 30 pairs of sporangia, apiculum 0.3-1.2 mm.
Phenology: Leaves appearing during wet periods.
Habitat: Plants sometimes weedy in lawns, ditches, and around buildings
Elevation: 0-90m
Distribution
Introduced; Ala., Ark., Fla., Ga., La., Miss., Mo., N.C., Okla., S.C., Tex., Va., West Indies, Mexico, n South America, Asia, Pacific Islands.
Discussion
Ophioglossum petiolatum grows readily in pots, making it suitable for botany instruction. Earliest records in North America date from 1900 to 1930, suggesting that it is probably introduced.
Selected References
None.