Difference between revisions of "Botrychium biternatum"
Bot. Gaz. 22: 407. 1896.
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|name=Osmunda biternata | |name=Osmunda biternata | ||
|authority=Savigny | |authority=Savigny | ||
+ | |rank=species | ||
|publication_title=in Lamarck et al., Encycl. | |publication_title=in Lamarck et al., Encycl. | ||
|publication_place=4: 650. 1797 | |publication_place=4: 650. 1797 | ||
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|name=Botrychium dissectum var. tenuifolium | |name=Botrychium dissectum var. tenuifolium | ||
|authority=(L.Underwood) Farwell | |authority=(L.Underwood) Farwell | ||
+ | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Botrychium tenuifolium | |name=Botrychium tenuifolium | ||
|authority=L.Underwood | |authority=L.Underwood | ||
+ | |rank=species | ||
}} | }} | ||
|hierarchy=Ophioglossaceae;Botrychium;Botrychium subg. Sceptridium;Botrychium sect. Sceptridium;Botrychium biternatum | |hierarchy=Ophioglossaceae;Botrychium;Botrychium subg. Sceptridium;Botrychium sect. Sceptridium;Botrychium biternatum | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Botrychium biternatum | name=Botrychium biternatum | ||
− | |||
|authority=(Savigny) L. Underwood | |authority=(Savigny) L. Underwood | ||
|rank=species | |rank=species | ||
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|publication year=1896 | |publication year=1896 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_762.xml |
|genus=Botrychium | |genus=Botrychium | ||
|subgenus=Botrychium subg. Sceptridium | |subgenus=Botrychium subg. Sceptridium |
Revision as of 20:50, 16 December 2019
Trophophore stalk 4–20 cm, 2–2.5 times length of trophophore rachis; blade green to dark green, plane, 2–3-pinnate, to 18 × 28 cm, herbaceous. Pinnae to 7 pairs, usually remote, horizontal, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, undivided except in proximal 2/3–1/2. Pinnules elongate, obliquely lanceolate to narrowly lanceolate, margins nearly parallel and finely denticulate, apex short-acuminate, venation pinnate. Sporophores 1–2-pinnate, 2–3 times length of trophophore. 2n =90.
Phenology: Leaves green over winter, sporophores seasonal, new leaves appearing in late spring–early summer.
Habitat: Frequent in low woods and brushy fields
Elevation: 0–600 m
Distribution
![V2 762-distribution-map.gif](/w/images/8/8b/V2_762-distribution-map.gif)
Ala., Ark., Del., Fla., Ga., Ill., Ind., Ky., La., Md., Miss., Mo., N.J., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.
Discussion
Botrychium biternatum often grows with B. dissectum and B. jenmanii. The name B. biternatum was misapplied by L.Underwood to B. lunarioides (W.H. Wagner Jr. 1961).
Selected References
None.