familyCaryophyllaceae
subfamilyCaryophyllaceae subfam. Alsinoideae
genusSagina
speciesSagina decumbens
subspeciesSagina decumbens subsp. decumbens
Difference between revisions of "Sagina decumbens subsp. decumbens"
Common names: Sagine décombante
Synonyms: Sagina decumbens var. smithii (A. Gray) S. Watson
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Sagina decumbens subsp. decumbens | |accepted_name=Sagina decumbens subsp. decumbens | ||
| − | |accepted_authority= | + | |accepted_authority= |
|publications= | |publications= | ||
|common_names=Sagine décombante | |common_names=Sagine décombante | ||
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|name=Sagina decumbens var. smithii | |name=Sagina decumbens var. smithii | ||
|authority=(A. Gray) S. Watson | |authority=(A. Gray) S. Watson | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Sagina;Sagina decumbens;Sagina decumbens subsp. decumbens | |hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Sagina;Sagina decumbens;Sagina decumbens subsp. decumbens | ||
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|elevation=0-500 m | |elevation=0-500 m | ||
|distribution=Que.;Ala.;Ark.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Kans.;Ky.;La.;Md.;Mass.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Vt.;Va. | |distribution=Que.;Ala.;Ark.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Kans.;Ky.;La.;Md.;Mass.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Vt.;Va. | ||
| − | |discussion=<p>Specimens of < | + | |discussion=<p>Specimens of <i></i>subsp.<i> decumbens</i> from Alberta, New Brunswick, Saskatchewan, and Arizona represent historical collections that apparently did not persist.</p><!-- |
| − | --><p>Subspecies decumbens is extremely variable. A slender, nearly apetalous variation with a greater frequency of 4-merous flowers has previously been recognized as < | + | --><p>Subspecies decumbens is extremely variable. A slender, nearly apetalous variation with a greater frequency of 4-merous flowers has previously been recognized as <i></i>var.<i> smithii</i>; the range of variability is continuous and it seems best to consider the material as a single taxon.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Sagina decumbens subsp. decumbens | name=Sagina decumbens subsp. decumbens | ||
| − | + | |authority= | |
| − | |authority= | ||
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|publication year= | |publication year= | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_297.xml |
|subfamily=Caryophyllaceae subfam. Alsinoideae | |subfamily=Caryophyllaceae subfam. Alsinoideae | ||
|genus=Sagina | |genus=Sagina | ||
Revision as of 22:52, 16 December 2019
Leaves: basal rosette forming in winter annual plants, absent later. Sepals ovate, hyaline margins or apex frequently purple. Seeds light tan, with delicate reticulate ridge pattern (50–80×), smooth or pebbled to strongly tuberculate. 2n = 36.
Phenology: Flowering spring–early summer.
Habitat: Moist or dryish sandy places, field margins, open pine woods, paths, roadsides, sidewalk cracks, lawns
Elevation: 0-500 m
Distribution
Que., Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mass., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Vt., Va.
Discussion
Specimens of subsp. decumbens from Alberta, New Brunswick, Saskatchewan, and Arizona represent historical collections that apparently did not persist.
Subspecies decumbens is extremely variable. A slender, nearly apetalous variation with a greater frequency of 4-merous flowers has previously been recognized as var. smithii; the range of variability is continuous and it seems best to consider the material as a single taxon.
Selected References
None.
Lower Taxa
None.