View source for Pontederiaceae

{{Treatment/ID
|accepted_name=Pontederiaceae
|accepted_authority=Kunth
|publications=
|common_names=Pickerel-weed Family
|basionyms=
|synonyms=
|hierarchy=Pontederiaceae
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Pontederiaceae]]</div></div>
|volume=Volume 26
|mention_page=page 22, 23
|treatment_page=page 37
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual or perennial, aquatic, rooted in mud or free-floating. <b>Stems</b> of 2 types, vegetative and flowering; vegetative stems indeterminate, bearing many leaves, glabrous; flowering stems determinate, usually emersed, bearing single leaf, spathe, and terminal inflorescence. <b>Leaves</b> of 2 types, sessile and petiolate; stipule marcescent, apex truncate, associated with petiolate leaves only; sessile leaves submersed or rarely emersed, forming basal rosette or alternate on elongate stem, blade linear to occasionally oblanceolate, base sheathing, margins entire; petiolate leaves floating or emersed, blade cordate, reniform, or ovate. <b>Inflorescences</b> paniculate, spicate, umbellate, or 1-flowered; spathes bractlike, folded or clasping, commonly with acute to caudate extension. <b>Flowers</b> sessile, 3-merous; perianth with tepals connate proximally, yellow, blue, mauve, or white, tube tubular or funnelform, limb 6-lobed; stamens 3 or 6, adnate to perianth; pistils 3-locular, 1 or 3 developing to maturity; placentation parietal or basal; ovules 1–many. <b>Fruits</b> capsular or utriculate. <b>Seeds</b> smooth or with longitudinal wings.</span><!--

-->{{Treatment/Body
|distribution=Nearly worldwide;primarily of tropical and subtropical regions.
|discussion=<p>Genera 6, species ca. 30 (4 genera, 11 species in the flora; 2 genera, 3 species introduced).</p>
|tables=
|references={{Treatment/Reference
|id=alexander1937a
|text=Alexander, E. J. 1937. Pontederiaceae. In: N. L. Britton et al., eds. 1905+. North American Flora…. 47+ vols. New York. Vol. 19, pp. 51–60.
}}{{Treatment/Reference
|id=barrett1980a
|text=Barrett, S. C. H. and D. E. Seaman. 1980. The weed flora of California rice fields. Aquatic Bot. 9: 351–376.
}}{{Treatment/Reference
|id=eckenwalder1986a
|text=Eckenwalder, J. E. and S. C. H. Barrett. 1986. Phylogenetic systematics of Pontederiaceae. Syst. Bot. 11: 373–391.
}}{{Treatment/Reference
|id=kaul1986a
|text=Kaul, R. B. and C. N. Horn. 1986. Pontederiaceae. In: Great Plains Flora Association. 1986. Flora of the Great Plains. Lawrence, Kans. Pp. 1239–1241.
}}{{Treatment/Reference
|id=laubach1883a
|text=Laubach, H. 1883. Pontederiaceae. In: A. L. P. P. de Candolle and C. de Candolle, eds. 1878–1896. Monographiae Phanerogamarum.... 9 vols. Paris. Vol. 4, pp. 501–535.
}}{{Treatment/Reference
|id=rosatti1987b
|text=Rosatti, T. J. 1987. The genera of Pontederiaceae in the southeastern United States. J. Arnold Arbor. 68: 35–71.  Solms-
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Inflorescences commonly with more than 50 flowers; fruits utriculate, 1-seeded
|[[Pontederia|Pontederia]]
|-id=key-0-1
|1
|Inflorescences with fewer than 30 flowers; fruits capsular, 10–200-seeded.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Tepals connate only basally
|[[Monochoria|Monochoria]]
|-id=key-0-2
|2
|Tepals connate 1/2 or more of their length.
|[[#key-0-3| > 3]]
|-id=key-0-3
|3
|Petiolate leaf blade coriaceous; perianth limb lobes ovate, longer than 2 cm; stamens 6
|[[Eichhornia|Eichhornia]]
|-id=key-0-3
|3
|Petiolate leaf blade membranous or absent; perianth limb lobes linear to oblanceolate, shorter than 2 cm; stamens 3
|[[Heteranthera|Heteranthera]]
|}
</div></div><!--

-->{{#Taxon:
name=Pontederiaceae
|author=Charles N. Horn
|authority=Kunth
|rank=family
|parent rank=
|synonyms=
|basionyms=
|family=Pontederiaceae
|illustrator=John Myers
|distribution=Nearly worldwide;primarily of tropical and subtropical regions.
|reference=alexander1937a;barrett1980a;eckenwalder1986a;kaul1986a;laubach1883a;rosatti1987b
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V26/V26_1.xml
}}<!--

-->[[Category:Treatment]]