View source for Spinacia

{{Treatment/ID
|accepted_name=Spinacia
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 1027. 1753
|year=1753
}}, {{Treatment/Publication
|title=Gen. Pl. ed.
|place=5, 452. 1754
|year=1754
}}
|common_names=Spinach
|basionyms=
|synonyms=
|hierarchy=Chenopodiaceae;Spinacia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Chenopodiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Spinacia]]</div></div>
|etymology=Latin spina, spine, in reference to spiny fruit, or Persian ispanakh, spinach
|volume=Volume 4
|mention_page=page 260
|treatment_page=page 302
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism duration;whole_organism reproduction;whole_organism pubescence;whole_organism growth form"><b>Herbs,</b> annual or biennial, monoecious, glabrous.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem architecture;stem architecture;stem architecture;stem texture"><b>Stems </b>erect, not branched, not jointed, not armed, not fleshy.</span> <span class="statement" id="st-d0_s2" data-properties="leaf position;leaf arrangement;leaf architecture"><b>Leaves </b>basal or alternate, petiolate;</span> <span class="statement" id="st-d0_s3" data-properties="blade shape;lobe length;margin architecture or shape;margin architecture or shape;apex shape">blade triangular-hastate to ovate, sometimes with elongated lobes, margins entire or dentate, apex acute.</span> <span class="statement" id="st-d0_s4" data-properties="flower architecture;flower architecture"><b>Inflorescences:</b> pistillate flowers sessile in leaf-axils;</span> <span class="statement" id="st-d0_s5" data-properties="flower architecture;terminal spike density">staminate flowers in dense terminal spikes.</span> <span class="statement" id="st-d0_s6" data-properties="flower reproduction;flower reproduction"><b>Flowers </b>unisexual, rarely bisexual;</span> <span class="statement" id="st-d0_s7" data-properties="flower architecture;perianth segment quantity;stamen quantity">staminate flowers with perianth segments 4–5, stamens 4–5;</span> <span class="statement" id="st-d0_s8" data-properties="flower architecture;bract quantity;bract size;bract fusion;perianth presence">pistillate flowers enclosed by 2 accrescent or connate bracts, perianth absent, stigmas 4–5.</span> <span class="statement" id="st-d0_s9" data-properties="stigma quantity;bracteole size;bracteole texture"><b>Fruiting </b>structures enlarged and hardened bracteoles enclosing achenes;</span> <span class="statement" id="st-d0_s10" data-properties="pericarp fusion">pericarp adherent.</span> <span class="statement" id="st-d0_s11" data-properties="seed orientation;seed-coat coloration;seed-coat architecture;seed-coat architecture"><b>Seeds </b>vertical, seed-coat dark, spiny or smooth;</span> <span class="statement" id="st-d0_s12" data-properties="bracteole texture">hardened bracteoles serving as seed-coat;</span> <span class="statement" id="st-d0_s13" data-properties="embryo shape">embryo annular;</span> <span class="statement" id="st-d0_s14" data-properties="">perisperm copious.</span> <span class="statement" id="st-d0_s15" data-properties="perisperm quantity;x chromosome quantity">x = 6.</span><!--

-->{{Treatment/Body
|distribution=Eurasia
|introduced=true
|discussion=<p>Species 3 (1 in the flora).</p><!--
--><p>The chromosome base number of six is unusual in the Chenopodiaceae. B. L. Turner (1994b) suggested that members with a base of nine, the most common number in the family, may be derived.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Spinacia
|author=Leila M. Shultz
|authority=Linnaeus
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Chenopodiaceae
|distribution=Eurasia
|introduced=true
|reference=None
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=1753;1754
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V4/V4_579.xml
|genus=Spinacia
|apex shape=acute
|blade shape=triangular-hastate;ovate
|bract fusion=connate
|bract quantity=2
|bract size=accrescent
|bracteole size=enlarged
|bracteole texture=hardened;hardened
|embryo shape=annular
|flower architecture=pistillate;staminate;staminate;sessile;pistillate
|flower reproduction=bisexual;unisexual
|leaf architecture=petiolate
|leaf arrangement=alternate
|leaf position=basal
|lobe length=elongated
|margin architecture or shape=dentate;entire
|perianth presence=absent
|perianth segment quantity=4;5
|pericarp fusion=adherent
|perisperm quantity=copious
|seed orientation=vertical
|seed-coat architecture=smooth;spiny
|seed-coat coloration=dark
|stamen quantity=4;5
|stem architecture=not armed;not jointed;not branched
|stem orientation=erect
|stem texture=not fleshy
|stigma quantity=4;5
|terminal spike density=dense
|whole_organism duration=biennial;annual
|whole_organism growth form=herb
|whole_organism pubescence=glabrous
|whole_organism reproduction=monoecious
|x chromosome quantity=6
}}<!--

-->[[Category:Treatment]][[Category:Chenopodiaceae]]