View source for Sesuvium

{{Treatment/ID
|accepted_name=Sesuvium
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Syst. Nat. ed.
|place=10, 2: 1052, 1058, 1371. 1759
|year=1759
}}
|common_names=Sea-purslane
|basionyms=
|synonyms=
|hierarchy=Aizoaceae;Sesuvium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Aizoaceae]]</div><div class="higher-taxon"><small>genus</small>[[Sesuvium]]</div></div>
|etymology=Latin Sesuvium, apparently the country of the Sesuvii, a Gallic tribe mentioned by Caesar; reason for application to this genus unknown
|volume=Volume 4
|mention_page=page 76, 77
|treatment_page=page 80
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="herb duration;herb duration;herb texture;herb relief"><b>Herbs </b>[shrubs], annual or perennial, succulent, usually papillate.</span> <span class="statement" id="st-d0_s1" data-properties="root texture"><b>Roots </b>fibrous.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Stems </b>prostrate to erect, forming mats;</span> <span class="statement" id="st-d0_s3" data-properties="stem orientation;stem orientation;stem orientation;stem architecture">rooting at nodes in some species.</span> <span class="statement" id="st-d0_s4" data-properties="leaf position;leaf arrangement;leaf variability"><b>Leaves </b>cauline, opposite, those of each pair equal;</span> <span class="statement" id="st-d0_s5" data-properties="stipule count">stipules absent;</span> <span class="statement" id="st-d0_s6" data-properties="petiole base architecture or fixation;petiole base fusion;petiole base width;margin texture">petiole bases clasping to ± connate, ± widened, margins usually scarious;</span> <span class="statement" id="st-d0_s7" data-properties="blade shape;blade shape;blade shape;blade shape;blade shape;blade shape;margin architecture or shape">blade usually flat, linear to spatulate or ovate, tapered, margins entire.</span> <span class="statement" id="st-d0_s8" data-properties="inflorescence position;flower architecture or arrangement or growth form;flower architecture or arrangement or growth form;flower architecture;flower architecture"><b>Inflorescences </b>axillary, flowers solitary or in cymes, sessile or pedicellate;</span> <span class="statement" id="st-d0_s9" data-properties="bract count;bract count">bracts absent or 2.</span> <span class="statement" id="st-d0_s10" data-properties="hypanthium shape"><b>Flowers:</b> hypanthium obconic;</span> <span class="statement" id="st-d0_s11" data-properties="calyx lobe count;calyx lobe coloration;calyx lobe architecture">calyx lobes 5, reddish adaxially, usually hooded near tip;</span> <span class="statement" id="st-d0_s12" data-properties="petal count;staminodium architecture;staminodium count">petals and petaloid staminodia absent;</span> <span class="statement" id="st-d0_s13" data-properties="stamen atypical count;stamen count;stamen fusion">stamens [1–] 5–30, often connate proximally;</span> <span class="statement" id="st-d0_s14" data-properties="pistil architecture">pistil 2–5-carpellate;</span> <span class="statement" id="st-d0_s15" data-properties="ovary position;ovary architecture">ovary half-inferior, 2–5-loculed;</span> <span class="statement" id="st-d0_s16" data-properties="flower placentation">placentation axile;</span> <span class="statement" id="st-d0_s17" data-properties="ovule count">ovules to 60;</span> <span class="statement" id="st-d0_s18" data-properties="style count;style relief">styles 2–5, papillate;</span> <span class="statement" id="st-d0_s19" data-properties="stigma count">stigmas 2–5.</span> <span class="statement" id="st-d0_s20" data-properties="fruits capsule shape;fruits capsule shape;fruits capsule shape;fruits capsule dehiscence"><b>Fruits </b>capsules, ovoid to obconic, dehiscence circumscissile.</span> <span class="statement" id="st-d0_s21" data-properties="seed count;seed coloration;seed coloration;seed coloration;seed architecture;seed shape;seed reflectance;seed reflectance;seed relief;seed relief"><b>Seeds </b>to 60, black to brown, arillate, usually reniform, shiny or dull, smooth or rugose.</span><!--

-->{{Treatment/Body
|distribution=Tropical;subtropical;and temperate North America;Mexico;West Indies;Central America;South America;Eurasia;Africa;Pacific Islands;Australia.
|discussion=<p>Species ca. 8 (4 in the flora).</p><!--
--><p>Sesuvium crithmoides Welwitsch, a west African perennial with linear leaves and sessile flowers, has been reported from waste places along wharves in Georgia (J. K. Small 1933); it apparently is not naturalized in the flora.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Stamens 5; styles and locules 2-3; plants annual
|[[#key-0-2| > 2]]
|-id=key-0-1
|1
|Stamens 30; styles and locules 5; plants perennial
|[[#key-0-3| > 3]]
|-id=key-0-2
|2
|Seeds smooth, 1 mm
|[[Sesuvium maritimum|Sesuvium maritimum]]
|-id=key-0-2
|2
|Seeds rugose, 1.5 mm
|[[Sesuvium trianthemoides|Sesuvium trianthemoides]]
|-id=key-0-3
|3
|Pedicels 1-20 mm; stems rooting at nodes; seeds 1.2-1.5 mm
|[[Sesuvium portulacastrum|Sesuvium portulacastrum]]
|-id=key-0-3
|3
|Pedicels absent or to 2 mm; stems not rooting at nodes; seeds 0.8-1 mm
|[[Sesuvium verrucosum|Sesuvium verrucosum]]
|}
</div></div><!--

-->{{#Taxon:
name=Sesuvium
|author=Wayne R. Ferren Jr.
|authority=Linnaeus
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Aizoaceae
|distribution=Tropical;subtropical;and temperate North America;Mexico;West Indies;Central America;South America;Eurasia;Africa;Pacific Islands;Australia.
|reference=None
|publication title=Syst. Nat. ed.
|publication year=1759
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_163.xml
|genus=Sesuvium
|blade shape=tapered;linear;spatulate or ovate
|bract count=2;absent
|calyx lobe architecture=hooded
|calyx lobe coloration=reddish
|calyx lobe count=5
|flower architecture=pedicellate;sessile
|flower architecture or arrangement or growth form=in cymes;solitary
|flower placentation=axile
|fruits capsule dehiscence=circumscissile
|fruits capsule shape=ovoid;obconic
|herb duration=perennial;annual
|herb relief=papillate
|herb texture=succulent
|hypanthium shape=obconic
|inflorescence position=axillary
|leaf arrangement=opposite
|leaf position=cauline
|leaf variability=equal
|margin architecture or shape=entire
|margin texture=scarious
|ovary architecture=2-5-loculed
|ovary position=half-inferior
|ovule count=0;60
|petal count=absent
|petiole base architecture or fixation=clasping
|petiole base fusion=connate
|petiole base width=widened
|pistil architecture=2-5-carpellate
|root texture=fibrous
|seed architecture=arillate
|seed coloration=black;brown
|seed count=0;60
|seed reflectance=dull;shiny
|seed relief=rugose;smooth
|seed shape=reniform
|stamen atypical count=1;5
|stamen count=5;30
|stamen fusion=connate
|staminodium architecture=petaloid
|staminodium count=absent
|stem architecture=rooting
|stem orientation=prostrate;erect
|stigma count=2;5
|stipule count=absent
|style count=2;5
|style relief=papillate
}}<!--

-->[[Category:Treatment]][[Category:Aizoaceae]]