View source for Elatinaceae

{{Treatment/ID
|accepted_name=Elatinaceae
|accepted_authority=Dumortier
|publications=
|common_names=Waterwort Family
|basionyms=
|synonyms=
|hierarchy=Elatinaceae
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Elatinaceae]]</div></div>
|volume=Volume 12
|mention_page=
|treatment_page=page 348
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism reproduction;whole_organism growth form"><b>Herbs </b>[subshrubs], annual [short-lived perennial], synoecious [polygamous].</span> <span class="statement" id="st-d0_s1" data-properties="leaf arrangement;leaf architecture"><b>Leaves </b>opposite [whorled], simple;</span> <span class="statement" id="st-d0_s2" data-properties="stipule presence">stipules present;</span> <span class="statement" id="st-d0_s3" data-properties="petiole presence;petiole presence">petiole present or absent;</span> <span class="statement" id="st-d0_s4" data-properties="">blade margins entire or serrulate;</span> <span class="statement" id="st-d0_s5" data-properties="blade margin architecture or shape;blade margin architecture or shape;blade margin architecture or shape">venation pinnate.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence position;cyme architecture or arrangement or growth form;cyme architecture;cyme arrangement;flower architecture or arrangement or growth form;flower architecture;flower arrangement"><b>Inflorescences </b>axillary, usually cymes or flowers solitary, sometimes 2 [–3] -flowered clusters.</span> <span class="statement" id="st-d0_s7" data-properties="flower reproduction"><b>Flowers </b>bisexual [pistillate];</span> <span class="statement" id="st-d0_s8" data-properties="perianth position;androecium position">perianth and androecium hypogynous;</span> <span class="statement" id="st-d0_s9" data-properties="hypanthium presence">hypanthium absent;</span> <span class="statement" id="st-d0_s10" data-properties="sepal quantity;sepal fusion;sepal fusion">sepals 2–5, distinct or connate basally;</span> <span class="statement" id="st-d0_s11" data-properties="petal quantity;petal fusion">petals (0 or) 2–5, distinct;</span> <span class="statement" id="st-d0_s12" data-properties="nectary presence">nectary absent;</span> <span class="statement" id="st-d0_s13" data-properties="stamen atypical quantity;stamen quantity;stamen fusion;stamen fusion">stamens [0–] 1–10, distinct, free;</span> <span class="statement" id="st-d0_s14" data-properties="anther dehiscence;slit dehiscence or orientation">anthers dehiscing by longitudinal slits;</span> <span class="statement" id="st-d0_s15" data-properties="pistil quantity;pistil architecture;ovary position;ovary architecture or structure in adjective form;ovary placentation">pistil 1, 2–5-carpellate, ovary superior, 2–5-locular, placentation axile;</span> <span class="statement" id="st-d0_s16" data-properties="ovule atypical quantity;ovule quantity;ovule orientation">ovules 2–33 [–44] per locule, anatropous;</span> <span class="statement" id="st-d0_s17" data-properties="style quantity;style fusion">styles 2–5, distinct;</span> <span class="statement" id="st-d0_s18" data-properties="stigma quantity;stigma architecture or shape">stigmas 2–5, capitate.</span> <span class="statement" id="st-d0_s19" data-properties="fruits capsule dehiscence;fruits capsule architecture or course"><b>Fruits </b>capsules, dehiscence septicidal or irregular.</span> <span class="statement" id="st-d0_s20" data-properties="seed atypical quantity;seed quantity"><b>Seeds </b>2–33 [–44] per locule.</span><!--

-->{{Treatment/Body
|distribution=Nearly worldwide in temperate and tropical regions
|discussion=<p>Genera 2, species ca. 50 (2 genera, 11 species in the flora).</p><!--
--><p>The affinities of Elatinaceae have long been uncertain; relationships with Caryophyllaceae and Clusiaceae have been proposed (G. C. Tucker 1986). Recent molecular work, combined with a review of morphology, indicates a sister relationship with Malpighiaceae (C. C. Davis and M. W. Chase 2004; K. Wurdack and Davis 2009).</p>
|tables=
|references={{Treatment/Reference
|id=davis2004a
|text=Davis, C. C. and M. W. Chase. 2004. Elatinaceae are sister to Malpighiaceae; Peridiscaceae belong to Saxifragales. Amer. J. Bot. 91: 262–273.
}}{{Treatment/Reference
|id=tucker1986a
|text=Tucker, G. C. 1986. The genera of Elatinaceae in the southeastern United States. J. Arnold Arbor. 67: 471–483.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Sepals 5, carinate; petals 5; inflorescences usually cymes, rarely solitary flowers, pedicels present; plants glandular-pubescent; stems solid or pithy.
|[[Bergia|Bergia]]
|-id=key-0-1
|1
|Sepals 2–4, not carinate; petals (0 or) 2–4; inflorescences solitary flowers, pedicels present or absent, or if flowers 2 per node (E. chilensis) then pedicels absent; plants glabrous; stems with longitudinal air spaces.
|[[Elatine|Elatine]]
|}
</div></div><!--

-->{{#Taxon:
name=Elatinaceae
|author=Gordon C. Tucker
|authority=Dumortier
|rank=family
|parent rank=
|synonyms=
|basionyms=
|family=Elatinaceae
|illustrator=Barbara Alongi
|illustration copyright=Flora of North America Association
|distribution=Nearly worldwide in temperate and tropical regions
|reference=davis2004a;tucker1986a
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V12/V12_930.xml
|androecium position=hypogynous
|anther dehiscence=dehiscing
|blade margin architecture or shape=pinnate;serrulate;entire
|cyme architecture=2[-3]-flowered
|cyme architecture or arrangement or growth form=solitary
|cyme arrangement=cluster
|flower architecture=2[-3]-flowered
|flower architecture or arrangement or growth form=solitary
|flower arrangement=cluster
|flower reproduction=bisexual
|fruits capsule architecture or course=irregular
|fruits capsule dehiscence=septicidal
|hypanthium presence=absent
|inflorescence position=axillary
|leaf architecture=simple
|leaf arrangement=opposite
|nectary presence=absent
|ovary architecture or structure in adjective form=2-5-locular
|ovary placentation=axile
|ovary position=superior
|ovule atypical quantity=33;44
|ovule orientation=anatropous
|ovule quantity=2;33
|perianth position=hypogynous
|petal fusion=distinct
|petal quantity=2;5
|petiole presence=absent;absent
|pistil architecture=2-5-carpellate
|pistil quantity=1
|seed atypical quantity=33;44
|seed quantity=2;33
|sepal fusion=connate;distinct
|sepal quantity=2;5
|slit dehiscence or orientation=longitudinal
|stamen atypical quantity=0;1
|stamen fusion=free;distinct
|stamen quantity=1;10
|stigma architecture or shape=capitate
|stigma quantity=2;5
|stipule presence=absent
|style fusion=distinct
|style quantity=2;5
|whole_organism duration=annual
|whole_organism growth form=herb
|whole_organism reproduction=synoecious
}}<!--

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