View source for Egeria

{{Treatment/ID
|accepted_name=Egeria
|accepted_authority=Planchon
|publications={{Treatment/Publication
|title=Annales des Sciences Naturelles, Botanique
|place=sér. 3, 11: 79. 1849
|year=1849
}}
|common_names=South American elodea
|basionyms=
|synonyms=
|hierarchy=Hydrocharitaceae;Egeria
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Hydrocharitaceae]]</div><div class="higher-taxon"><small>genus</small>[[Egeria]]</div></div>
|etymology=Latin egeri, a nymph, in reference to aquatic habitat
|volume=Volume 22
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form"><b>Plants </b>perennial, of fresh waters.</span> <span class="statement" id="st-d0_s1" data-properties="rhizome presence;stolon presence"><b>Rhizomes </b>and stolons absent.</span> <span class="statement" id="st-d0_s2" data-properties="stem orientation;stem architecture;stem architecture;stem architecture;stem shape"><b>Erect </b>stems rooted in substrate, branched or unbranched, elongate.</span> <span class="statement" id="st-d0_s3" data-properties="leaf position;leaf location;leaf architecture"><b>Leaves </b>cauline, in whorls of 5 or more [opposite], submersed, sessile;</span> <span class="statement" id="st-d0_s4" data-properties="blade arrangement or course or shape;base shape;apex shape">blade linear, base sloping to stem, apex obtuse;</span> <span class="statement" id="st-d0_s5" data-properties="blade coloration">midvein without rows of lacunae along side (s), blade uniform in color throughout;;</span> <span class="statement" id="st-d0_s6" data-properties="">abaxially surface without prickles or aerenchyma;</span> <span class="statement" id="st-d0_s7" data-properties="intravaginal squamule architecture or shape">intravaginal squamules entire.</span> <span class="statement" id="st-d0_s8" data-properties="inflorescence architecture;inflorescence architecture"><b>Inflorescences </b>1-flowered, sessile;</span> <span class="statement" id="st-d0_s9" data-properties="spathe architecture">spathes not winged.</span> <span class="statement" id="st-d0_s10" data-properties="flower reproduction;flower architecture;flower architecture;flower architecture;floral-tube base size;floral-tube base shape"><b>Flowers </b>unisexual, staminate and pistillate on different plants, projected to surface by slender, elongate floral-tube base, pedicellate;</span> <span class="statement" id="st-d0_s11" data-properties="petal coloration">petals white.</span> <span class="statement" id="st-d0_s12" data-properties="flower architecture;filament fusion"><b>Staminate </b>flowers: filaments distinct;</span> <span class="statement" id="st-d0_s13" data-properties="flower architecture;anther arrangement or course or shape">anthers linear;</span> <span class="statement" id="st-d0_s14" data-properties="flower architecture">pollen in monads.</span> <span class="statement" id="st-d0_s15" data-properties="flower architecture;ovary architecture or structure in adjective form"><b>Pistillate </b>flowers: ovary 1-locular;</span> <span class="statement" id="st-d0_s16" data-properties="flower architecture;style quantity;style shape">styles 3, not 2-fid.</span> <span class="statement" id="st-d0_s17" data-properties="fruit shape;fruit architecture or pubescence or relief;fruit dehiscence"><b>Fruits </b>ovoid, smooth, dehiscing irregularly.</span> <span class="statement" id="st-d0_s18" data-properties="seed shape;seed coating"><b>Seeds </b>fusiform, mucilaginous.</span><!--

-->{{Treatment/Body
|distribution=North America;Central America;South America;Eurasia;Africa;Australia
|introduced=true
|discussion=<p>Species 2 (1 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=cook1984c
|text=Cook, C. D. K., and K. Urmi-König. 1984b. A revision of the genus Egeria (Hydrocharitaceae). Aquatic Bot. 19: 73--96. St.
}}{{Treatment/Reference
|id=john1961a
|text=John, H. 1961. Monograph of the genus Egeria Planchon. Darwiniana 12: 293--307.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Egeria
|authority=Planchon
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Hydrocharitaceae
|distribution=North America;Central America;South America;Eurasia;Africa;Australia
|introduced=true
|reference=cook1984c;john1961a
|publication title=Annales des Sciences Naturelles, Botanique
|publication year=1849
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/62857cf6bca5c4637d27b113da92d27dbf9962f4/V22/V22_44.xml
|genus=Egeria
|anther arrangement or course or shape=linear
|apex shape=obtuse
|base shape=sloping
|blade arrangement or course or shape=linear
|blade coloration=uniform
|filament fusion=distinct
|floral-tube base shape=elongate
|floral-tube base size=slender
|flower architecture=pistillate;pistillate;staminate;staminate;staminate;pedicellate;pistillate;staminate
|flower reproduction=unisexual
|fruit architecture or pubescence or relief=smooth
|fruit dehiscence=dehiscing
|fruit shape=ovoid
|inflorescence architecture=sessile;1-flowered
|intravaginal squamule architecture or shape=entire
|leaf architecture=sessile
|leaf location=submersed
|leaf position=cauline
|ovary architecture or structure in adjective form=1-locular
|petal coloration=white
|rhizome presence=absent
|seed coating=mucilaginous
|seed shape=fusiform
|spathe architecture=not winged
|stem architecture=unbranched;branched;rooted
|stem orientation=erect
|stem shape=elongate
|stolon presence=absent
|style quantity=3
|style shape=not 2-fid
|whole_organism duration=perennial
|whole_organism growth form=plant
}}<!--

-->[[Category:Treatment]][[Category:Hydrocharitaceae]]