View source for Sida spinosa

{{Treatment/ID
|accepted_name=Sida spinosa
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 683. 1753
|year=1753
}}
|common_names=False or Indian or prickly mallow;prickly sida
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Sida alba
|authority=Linnaeus
|rank=species
}} {{Treatment/ID/Synonym
|name=S. alnifolia
|authority=Linnaeus
|rank=species
}} {{Treatment/ID/Synonym
|name=S. angustifolia
|authority=Miller
|rank=species
}} {{Treatment/ID/Synonym
|name=S. heterocarpa
|authority=Engelmann
|rank=species
}}
|hierarchy=Malvaceae;Malvaceae subfam. Malvoideae;Sida;Sida spinosa
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Malvaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Malvaceae subfam. Malvoideae]]</div><div class="higher-taxon"><small>genus</small>[[Sida]]</div><div class="higher-taxon"><small>species</small>[[Sida spinosa]]</div></div>
|volume=Volume 6
|mention_page=page 311
|treatment_page=page 318
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Subshrubs </b>or herbs, annual or perennial, 0.2–1 m, rarely taller. <b>Stems</b> erect, minutely stellate-hairy, hairs to 0.5 mm. <b>Leaves</b>: stipules free from petiole, 1-veined, subulate, 3–6 mm, 1/2 as long as petiole; petiole 5–15 mm, usually 1/4–1/2 length of blade, sometimes shorter, minutely stellate-hairy, hairs to 0.5 mm, usually with small spinelike tubercle on stem just below its attachment; blade ovate, lanceolate, or narrowly oblong, 2–6 cm, smaller apically, 2–5 times longer than wide, base subcordate, margins crenate-serrate to base, apex usually acute, surfaces stellate-tomentulose abaxially, glabrate adaxially. <b>Inflorescences</b> axillary solitary or 2–4 clustered flowers. <b>Pedicels</b> 0.5–1 cm, subequal to calyx and subtending petiole. <b>Flowers</b>: calyx angulate, 5–7 mm, minutely tomentose, lobes triangular; petals yellow, rarely white, 5 mm; staminal column glabrous; style 5-branched. <b>Schizocarps</b> subconic, 4–5 mm diam., hairy; mericarps 5, 3–4 mm, somewhat rugose, apex spined, spines 1 mm, antrorsely hairy. <b>2n</b> = 14, 28.</span><!--

-->{{Treatment/Body
|phenology=Flowering year-round in warmer areas, summer elsewhere.
|habitat=Roadsides, pastures, disturbed ground
|elevation=0–1500 m
|distribution=Ont.;Ala.;Ariz.;Ark.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Mass.;Mich.;Miss.;Mo.;Nebr.;N.J.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va.;Mexico;West Indies;Central America;South America.
|discussion=<p>A small spur sometimes is present on the abaxial side of the petiole at the juncture with the stem, to which the specific epithet refers. It is not a spine and occasionally is absent.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Sida spinosa
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Sida alba;S. alnifolia;S. angustifolia;S. heterocarpa
|basionyms=
|family=Malvaceae
|phenology=Flowering year-round in warmer areas, summer elsewhere.
|habitat=Roadsides, pastures, disturbed ground
|elevation=0–1500 m
|distribution=Ont.;Ala.;Ariz.;Ark.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Mass.;Mich.;Miss.;Mo.;Nebr.;N.J.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va.;Mexico;West Indies;Central America;South America.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Weedy
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_583.xml
|subfamily=Malvaceae subfam. Malvoideae
|genus=Sida
|species=Sida spinosa
}}<!--

-->[[Category:Treatment]][[Category:Sida]]