Difference between revisions of "Parietaria pensylvanica"

Muhlenberg ex Willdenow

Sp. Pl. 4(2): 955. 1806.

Selected by author to be illustratedWeedy
Synonyms: Species Rydberg ex SmallSpecies RydbergVariety (Rydberg ex Small) Shinners
Treatment appears in FNA Volume 3.
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--><span class="statement" id="st-d0_s0" data-properties="herb duration;herb some measurement"><b>Herbs,</b> annual, 0.4-6 dm.</span> <span class="statement" id="st-d0_s1" data-properties="stem architecture;stem architecture;stem orientation;stem orientation;stem orientation;stem orientation;stem orientation"><b>Stems </b>simple or freely branched, decumbent, ascending, or erect.</span> <span class="statement" id="st-d0_s2" data-properties="leaf-blade shape;leaf-blade shape;leaf-blade shape;leaf-blade shape;leaf-blade shape;leaf-blade shape;leaf-blade atypical length;leaf-blade length;leaf-blade width;base shape"><b>Leaf-</b>blades narrowly to broadly elliptic, lanceolate, oblong, or ovate, (1-) 2-9 × 0.4-3 cm, base narrowly cuneate, apex acuminate to long-attenuate or obtuse to rounded;</span> <span class="statement" id="st-d0_s3" data-properties="apex shape;apex shape;apex shape;apex shape;apex shape;apex position;lateral-vein orientation">proximal pair of lateral-veins arising above junction of blade and petiole.</span> <span class="statement" id="st-d0_s4" data-properties="involucral-beak some measurement;involucral-beak length"><b>Flowers:</b> involucral-bracts 1.8-5 mm, usually less than 2 times length of achene;</span> <span class="statement" id="st-d0_s5" data-properties="tepal some measurement;tepal height or length or size">tepals 1.5-2 mm, shorter than bracts.</span> <span class="statement" id="st-d0_s6" data-properties="achene coloration;achene architecture or shape;achene length;achene width;apex shape;mucro position"><b>Achenes </b>light-brown, symmetric, 0.9-1.2 × 0.6-0.9 mm, apex obtuse, mucro apical;</span> <span class="statement" id="st-d0_s7" data-properties="">stipe straight, short-cylindric, centered, basally dilated.</span> <span class="statement" id="st-d0_s8" data-properties="stipe course;stipe shape;stipe position;stipe shape;2n chromosome quantity;2n chromosome quantity">2n=14, 16.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, 0.4-6 dm. <b>Stems</b> simple or freely branched, decumbent, ascending, or erect. <b>Leaf</b> blades narrowly to broadly elliptic, lanceolate, oblong, or ovate, (1-)2-9 × 0.4-3 cm, base narrowly cuneate, apex acuminate to long-attenuate or obtuse to rounded; proximal pair of lateral veins arising above junction of blade and petiole. <b>Flowers</b>: involucral bracts 1.8-5 mm, usually less than 2 times length of achene; tepals 1.5-2 mm, shorter than bracts. <b>Achenes</b> light brown, symmetric, 0.9-1.2 × 0.6-0.9 mm, apex obtuse, mucro apical; stipe straight, short-cylindric, centered, basally dilated. <b>2n</b>=14, 16.</span><!--
  
 
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|habitat=Dry ledges, talus slopes, waste and shaded places, primarily in neutral to basic soils, and reported from margins of hot springs in northernmost locations
 
|habitat=Dry ledges, talus slopes, waste and shaded places, primarily in neutral to basic soils, and reported from margins of hot springs in northernmost locations
 
|elevation=0-2400 m
 
|elevation=0-2400 m
|distribution=Alta.;B.C.;Man.;Ont.;Que.;Sask.;Yukon;Ala.;Ariz.;Ark.;Calif.;Colo.;Conn.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Mexico
+
|distribution=Alta.;B.C.;Man.;Ont.;Que.;Sask.;Yukon;Ala.;Ariz.;Ark.;Calif.;Colo.;Conn.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Mexico.
 
|discussion=<p>Some extremes of Parietaria pensylvanica with short, oblong or ovate leaf blades strongly resemble P. hespera var. hespera. Parietaria hespera is usually more delicate and has thinner leaves with the proximal pair of lateral veins arising at the junction of blade and petiole. Leaf shape and texture tend to overlap in the two species, but in P. pensylvanica the proximal pair of lateral veins clearly arise above the junction of blade and petiole. The extremes of P. pensylvanica frequently are found where the ranges of the two species approach or overlap. Examples of these intermediates are from Gila, Mohave, and Yuma counties, Arizona. A mixed collection from Rock Springs, Gila County, Arizona, suggests that the two species occasionally grow together.</p>
 
|discussion=<p>Some extremes of Parietaria pensylvanica with short, oblong or ovate leaf blades strongly resemble P. hespera var. hespera. Parietaria hespera is usually more delicate and has thinner leaves with the proximal pair of lateral veins arising at the junction of blade and petiole. Leaf shape and texture tend to overlap in the two species, but in P. pensylvanica the proximal pair of lateral veins clearly arise above the junction of blade and petiole. The extremes of P. pensylvanica frequently are found where the ranges of the two species approach or overlap. Examples of these intermediates are from Gila, Mohave, and Yuma counties, Arizona. A mixed collection from Rock Springs, Gila County, Arizona, suggests that the two species occasionally grow together.</p>
 
|tables=
 
|tables=
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|habitat=Dry ledges, talus slopes, waste and shaded places, primarily in neutral to basic soils, and reported from margins of hot springs in northernmost locations
 
|habitat=Dry ledges, talus slopes, waste and shaded places, primarily in neutral to basic soils, and reported from margins of hot springs in northernmost locations
 
|elevation=0-2400 m
 
|elevation=0-2400 m
|distribution=Alta.;B.C.;Man.;Ont.;Que.;Sask.;Yukon;Ala.;Ariz.;Ark.;Calif.;Colo.;Conn.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Mexico
+
|distribution=Alta.;B.C.;Man.;Ont.;Que.;Sask.;Yukon;Ala.;Ariz.;Ark.;Calif.;Colo.;Conn.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Mexico.
 
|reference=None
 
|reference=None
 
|publication title=Sp. Pl.
 
|publication title=Sp. Pl.
 
|publication year=1806
 
|publication year=1806
 
|special status=Selected by author to be illustrated;Weedy
 
|special status=Selected by author to be illustrated;Weedy
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_954.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_954.xml
 
|genus=Parietaria
 
|genus=Parietaria
 
|species=Parietaria pensylvanica
 
|species=Parietaria pensylvanica
|2n chromosome quantity=16;14
 
|achene architecture or shape=symmetric
 
|achene coloration=light-brown
 
|achene length=0.9mm;1.2mm
 
|achene width=0.6mm;0.9mm
 
|apex position=proximal
 
|apex shape=obtuse;acuminate;long-attenuate or obtuse
 
|base shape=cuneate
 
|herb duration=annual
 
|herb some measurement=0.4dm;6dm
 
|involucral-beak length=0-2 times length of achene
 
|involucral-beak some measurement=1.8mm;5mm
 
|lateral-vein orientation=arising
 
|leaf-blade atypical length=1cm;2cm
 
|leaf-blade length=2cm;9cm
 
|leaf-blade shape=ovate;oblong;ovate;oblong;lanceolate;elliptic
 
|leaf-blade width=0.4cm;3cm
 
|mucro position=apical
 
|stem architecture=branched;simple
 
|stem orientation=erect;ascending;erect;ascending;decumbent
 
|stipe course=straight
 
|stipe position=centered
 
|stipe shape=dilated;short-cylindric
 
|tepal height or length or size=shorter
 
|tepal some measurement=1.5mm;2mm
 
 
}}<!--
 
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-->[[Category:Treatment]][[Category:Parietaria]]
 
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Revision as of 14:54, 27 July 2019

Herbs, annual, 0.4-6 dm. Stems simple or freely branched, decumbent, ascending, or erect. Leaf blades narrowly to broadly elliptic, lanceolate, oblong, or ovate, (1-)2-9 × 0.4-3 cm, base narrowly cuneate, apex acuminate to long-attenuate or obtuse to rounded; proximal pair of lateral veins arising above junction of blade and petiole. Flowers: involucral bracts 1.8-5 mm, usually less than 2 times length of achene; tepals 1.5-2 mm, shorter than bracts. Achenes light brown, symmetric, 0.9-1.2 × 0.6-0.9 mm, apex obtuse, mucro apical; stipe straight, short-cylindric, centered, basally dilated. 2n=14, 16.


Phenology: Flowering spring–late fall.
Habitat: Dry ledges, talus slopes, waste and shaded places, primarily in neutral to basic soils, and reported from margins of hot springs in northernmost locations
Elevation: 0-2400 m

Distribution

V3 954-distribution-map.gif

Alta., B.C., Man., Ont., Que., Sask., Yukon, Ala., Ariz., Ark., Calif., Colo., Conn., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Mexico.

Discussion

Some extremes of Parietaria pensylvanica with short, oblong or ovate leaf blades strongly resemble P. hespera var. hespera. Parietaria hespera is usually more delicate and has thinner leaves with the proximal pair of lateral veins arising at the junction of blade and petiole. Leaf shape and texture tend to overlap in the two species, but in P. pensylvanica the proximal pair of lateral veins clearly arise above the junction of blade and petiole. The extremes of P. pensylvanica frequently are found where the ranges of the two species approach or overlap. Examples of these intermediates are from Gila, Mohave, and Yuma counties, Arizona. A mixed collection from Rock Springs, Gila County, Arizona, suggests that the two species occasionally grow together.

Selected References

None.

Lower Taxa

None.
... more about "Parietaria pensylvanica"
David E. Boufford +
Muhlenberg ex Willdenow +
Alta. +, B.C. +, Man. +, Ont. +, Que. +, Sask. +, Yukon +, Ala. +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, D.C. +, Fla. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +  and Mexico. +
0-2400 m +
Dry ledges, talus slopes, waste and shaded places, primarily in neutral to basic soils, and reported from margins of hot springs in northernmost locations +
Flowering spring–late fall. +
Selected by author to be illustrated +  and Weedy +
Species +  and Variety +
Parietaria pensylvanica +
Parietaria +
species +