View source for Lemna minuta

{{Treatment/ID
|accepted_name=Lemna minuta
|accepted_authority=Kunth in A. von Humboldt et al.
|publications={{Treatment/Publication
|title=in A. von Humboldt et al.,Nov. Gen. Sp.
|place=1: 372. 1816
|year=1816
}}
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Lemna minima
|authority=Philippi
|rank=species
}} {{Treatment/ID/Synonym
|name=Lemna minuscula
|authority=Herter
|rank=species
}}
|hierarchy=Lemnaceae;Lemna;Lemna minuta
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Lemnaceae]]</div><div class="higher-taxon"><small>genus</small>[[Lemna]]</div><div class="higher-taxon"><small>species</small>[[Lemna minuta]]</div></div>
|volume=Volume 22
|mention_page=
|treatment_page=page 150
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="root some measurement;tip shape"><b>Roots </b>to 1.5 cm, tip rounded to pointed;</span> <span class="statement" id="st-d0_s1" data-properties="sheath architecture">sheath not winged.</span> <span class="statement" id="st-d0_s2" data-properties="stipe coloration;stipe size"><b>Stipes </b>white, small, often decaying.</span> <span class="statement" id="st-d0_s3" data-properties="frond growth form or location;frond quantity;frond fusion;frond shape;frond prominence or shape;frond width;frond some measurement;frond l w ratio;margin architecture or shape"><b>Fronds </b>floating, 1 or 2–few, coherent in groups, obovate, flat to thickish (but not gibbous), 0.8–4 mm, 1–2 times as long as wide, margins entire;</span> <span class="statement" id="st-d0_s4" data-properties="">veins 1, sometimes indistinct, very rarely longer than extension of air spaces, not longer than 2/3 of distance between node and apex;</span> <span class="statement" id="st-d0_s5" data-properties="vein quantity;vein prominence;vein length or size;vein quantity;papilla size">with or without small papillae along midline;</span> <span class="statement" id="st-d0_s6" data-properties="">anthocyanin absent;</span> <span class="statement" id="st-d0_s7" data-properties="anthocyanin presence;anthocyanin size;space some measurement">largest air spaces much shorter than 0.3 mm;</span> <span class="statement" id="st-d0_s8" data-properties="turion presence">turions absent.</span> <span class="statement" id="st-d0_s9" data-properties="ovary architecture;utricular scale architecture;side quantity"><b>Flowers:</b> ovaries 1-ovulate, utricular scale open on 1 side.</span> <span class="statement" id="st-d0_s10" data-properties="fruit some measurement;fruit architecture"><b>Fruits </b>0.6–1 mm, not winged.</span> <span class="statement" id="st-d0_s11" data-properties="rib quantity;rib fusion"><b>Seeds </b>with 12–15 distinct ribs.</span> <span class="statement" id="st-d0_s12" data-properties="2n chromosome quantity;2n chromosome quantity;2n chromosome quantity">2n = 36 (U), 40 (U), 42 (G).</span><!--

-->{{Treatment/Body
|phenology=Flowering (very rare) late spring–early fall.
|habitat=Mesotrophic to eutrophic, quiet waters in temperate to subtropical regions with relatively mild winters
|elevation=0–2600 m
|distribution=Ala.;Ariz.;Ark.;Calif.;Colo.;Fla.;Ga.;Ill.;Ind.;Kans.;Ky.;La.;Mich.;Mo.;Nebr.;Nev.;N.Mex.;Ohio;Okla.;Oreg.;Tenn.;Tex.;Utah;Wash.;W.Va.;Wyo.;Mexico;West Indies;Central America;South America;Eurasia ()
|introduced=true
|discussion=<p>I know of no specimens of Lemna minuta from Mississippi, but the species is to be expected there.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Lemna minuta
|authority=Kunth in A. von Humboldt et al.
|rank=species
|parent rank=genus
|synonyms=Lemna minima;Lemna minuscula
|basionyms=
|family=Lemnaceae
|phenology=Flowering (very rare) late spring–early fall.
|habitat=Mesotrophic to eutrophic, quiet waters in temperate to subtropical regions with relatively mild winters
|elevation=0–2600 m
|distribution=Ala.;Ariz.;Ark.;Calif.;Colo.;Fla.;Ga.;Ill.;Ind.;Kans.;Ky.;La.;Mich.;Mo.;Nebr.;Nev.;N.Mex.;Ohio;Okla.;Oreg.;Tenn.;Tex.;Utah;Wash.;W.Va.;Wyo.;Mexico;West Indies;Central America;South America;Eurasia ()
|introduced=true
|reference=None
|publication title=in A. von Humboldt et al.,Nov. Gen. Sp.
|publication year=1816
|special status=Weedy;Illustrated
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/62857cf6bca5c4637d27b113da92d27dbf9962f4/V22/V22_318.xml
|genus=Lemna
|species=Lemna minuta
|2n chromosome quantity=42;40;36
|anthocyanin presence=absent
|anthocyanin size=largest
|frond fusion=coherent
|frond growth form or location=floating
|frond l w ratio=1-2
|frond prominence or shape=flat
|frond quantity=1-or-2-few
|frond shape=obovate
|frond some measurement=0.8mm;4mm
|frond width=thickish
|fruit architecture=not winged
|fruit some measurement=0.6mm;1mm
|margin architecture or shape=entire
|ovary architecture=1-ovulate
|papilla size=small
|rib fusion=distinct
|rib quantity=12;15
|root some measurement=0cm;1.5cm
|sheath architecture=not winged
|side quantity=1
|space some measurement=0.3
|stipe coloration=white
|stipe size=small
|tip shape=rounded;pointed
|turion presence=absent
|utricular scale architecture=open
|vein length or size=very rarely longer
|vein prominence=indistinct
|vein quantity=2/3;1
}}<!--

-->[[Category:Treatment]][[Category:Lemna]]