View source for Waltheria

{{Treatment/ID
|accepted_name=Waltheria
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 673. 1753
|year=1753
}}, {{Treatment/Publication
|title=Gen. Pl. ed.
|place=5. 304. 1754
|year=1754
}}
|basionyms=
|synonyms=
|hierarchy=Malvaceae;Malvaceae subfam. Byttnerioideae;Waltheria
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Malvaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Malvaceae subfam. Byttnerioideae]]</div><div class="higher-taxon"><small>genus</small>[[Waltheria]]</div></div>
|etymology=For Augustin Friedrich Walther, 1688 – 1746, German physician, anatomist, and botanist at Leipzig University
|volume=Volume 6
|mention_page=page 202, 208
|treatment_page=page 212
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism orientation;whole_organism architecture;whole_organism growth form"><b>Subshrubs </b>[herbs, shrubs], prostrate to erect, taprooted.</span> <span class="statement" id="st-d0_s1" data-properties="stem architecture;stem pubescence;hair arrangement or shape;hair architecture;hair architecture or function or pubescence"><b>Stems </b>unarmed, hairy, hairs stellate and/or simple, sometimes also glandular.</span> <span class="statement" id="st-d0_s2" data-properties="leaf architecture"><b>Leaves </b>petiolate;</span> <span class="statement" id="st-d0_s3" data-properties="stipule duration;stipule shape;stipule shape">stipules deciduous, narrowly triangular or linear-triangular;</span> <span class="statement" id="st-d0_s4" data-properties="margin architecture or shape;margin shape;margin shape;margin shape;margin shape">blade: margins dentate, serrate, or crenate.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence position;cincinnus architecture;cincinnus architecture;cincinnus architecture;cincinnus architecture;cincinnus architecture"><b>Inflorescences </b>axillary, cincinni in double or compound dichasial clusters, glomerulate, or paniculiform, 5–40-flowered;</span> <span class="statement" id="st-d0_s6" data-properties="epicalyx presence">epicalyx absent;</span> <span class="statement" id="st-d0_s7" data-properties="bract quantity;bract architecture or orientation or position;bract position;bract architecture or position;bract size;bract size">bracts 4, unilateral subtending floral pair, unequal or subequal.</span> <span class="statement" id="st-d0_s8" data-properties="flower odor;flower architecture;flower architecture;flower architecture"><b>Flowers </b>sweet-smelling, sessile or subsessile, homostylous [mostly distylous];</span> <span class="statement" id="st-d0_s9" data-properties="sepal fusion;sepal length;nectary presence">sepals connate 1/2–2/3 length, nectary present;</span> <span class="statement" id="st-d0_s10" data-properties="petal duration;petal coloration;petal coloration;petal coloration;petal coloration;petal coloration;petal coloration;petal shape;petal shape;lamina shape;lamina shape;lamina shape;lamina shape;lamina shape;lamina shape">petals late-deciduous, pale-yellow, bright-yellow, or yellow-orange, usually darker in corolla throat, spatulate, clawed [rarely not clawed], lamina obovate, oblong, oblanceolate, or obtriangular;</span> <span class="statement" id="st-d0_s11" data-properties="androgynophore presence;androgynophore presence;androgynophore some measurement">androgynophore absent or present, to 0.7 mm;</span> <span class="statement" id="st-d0_s12" data-properties="stamen length">stamens connate most of length [connate basally to entirely];</span> <span class="statement" id="st-d0_s13" data-properties="anther shape;anther shape">anthers 2-thecate, oblong or ovate;</span> <span class="statement" id="st-d0_s14" data-properties="staminode presence">staminodes 0;</span> <span class="statement" id="st-d0_s15" data-properties="ovary architecture or structure in adjective form;ovary shape;ovary shape;ovary architecture;ovary architecture">ovary 1-locular, obovoid or obconic, stipitate or not;</span> <span class="statement" id="st-d0_s16" data-properties="ovule quantity">ovules 2 per locule;</span> <span class="statement" id="st-d0_s17" data-properties="style position;style shape">styles included, cylindric;</span> <span class="statement" id="st-d0_s18" data-properties="stigma architecture">stigmas 10–40-branched, apex slightly exserted above stamen apices and corolla.</span> <span class="statement" id="st-d0_s19" data-properties="fruits capsule architecture or structure in adjective form;fruits capsule shape;fruits capsule shape;fruits capsule shape;fruits capsule shape;fruits capsule shape;fruits capsule pubescence;fruits capsule dehiscence"><b>Fruits </b>capsules, 1-locular, obconic, obovoid, or oblique, apically hairy, dehiscence partially or completely loculicidal.</span> <span class="statement" id="st-d0_s20" data-properties="seed quantity;seed coloration;seed coloration;seed shape;seed shape;seed shape;seed shape;seed shape;seed shape;seed architecture or pubescence or relief;seed texture"><b>Seeds </b>1 (or 2) per locule, brown or black, slightly laterally compressed, obovoid, obconic, or oblique, smooth or minutely granulate;</span> <span class="statement" id="st-d0_s21" data-properties="endosperm presence">endosperm present;</span> <span class="statement" id="st-d0_s22" data-properties="">cotyledons oblate [widely elliptic to elliptic, circular].</span> <span class="statement" id="st-d0_s23" data-properties="cotyledon shape;x chromosome quantity;x chromosome quantity;x chromosome quantity;x chromosome quantity;x chromosome quantity">x = 5, 6, 7, 10, 13.</span><!--

-->{{Treatment/Body
|distribution=sw;se United States;Mexico;West Indies;Bermuda;Central America;South America;Asia;Africa;Atlantic Islands;Indian Ocean Islands;Pacific Islands;Australia;tropical and subtropical areas
|discussion=<p>Species ca. 60 (3 in the flora).</p><!--
--><p>Waltheria albicans Turczaninow and W. rotundifolia Schrank are found in Mexico, and apparent hybrids of them with W. indica in the broad sense occur in the United States.</p>
|tables=
|references={{Treatment/Reference
|id=kohler1971a
|text=Köhler, E. 1971. Zur Pollenmorphologie der Gattung Waltheria L. (Sterculiaceae). Feddes Repert. 82: 125–153.
}}{{Treatment/Reference
|id=kohler1976a
|text=Köhler, E. 1976. Pollen dimorphism and heterostyly in the genus Waltheria L. (Sterculiaceae). In: I. K. Ferguson and I. Muller, eds. The Evolutionary Significance of the Exine. London. Pp. 147–161.
}}{{Treatment/Reference
|id=saunders1995a
|text=Saunders, J. G. 1995. Systematics and Evolution of Waltheria (Sterculiaceae). Ph.D. dissertation. University of Texas.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Capsules: endocarp corneous, to 1.3 mm from apex; bracts unequal, major bract elliptic, oblong, ovate, or obovate, minor bracts lanceolate; major bract apex obtuse or rounded and (2–)3-cuspidate or 3-dentate distally.
|[[Waltheria detonsa|Waltheria detonsa]]
|-id=key-0-1
|1
|Capsules: endocarp corneous, to 1.6+ mm from apex, (sometimes thin at base and along valve margins); bracts subequal, elliptic, lanceolate, or linear, apex acute, entire distally
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Calyx tube 1.7–2.5 mm; stem nodes knobby, joints extended 0.8–1 mm; leaf surface glabrate, puberulent, drying brownish olive, dark brown, bronze, or coppery; anthers ovate dehisced; styles densely white-sericeous; capsules with dense white puberulent line at apical valve margin.
|[[Waltheria bahamensis|Waltheria bahamensis]]
|-id=key-0-2
|2
|Calyx tube 2.5–2.9 mm; stem nodes even or extended to 0.5 mm; leaf surface tomentose or pubescent, drying olive; anthers oblong dehisced; styles hirsutulous distal to base; capsules without white puberulent line at apical valve margin.
|[[Waltheria indica|Waltheria indica]]
|}
</div></div><!--

-->{{#Taxon:
name=Waltheria
|author=Janice G. Saunders
|authority=Linnaeus
|rank=genus
|parent rank=subfamily
|synonyms=
|basionyms=
|family=Malvaceae
|distribution=sw;se United States;Mexico;West Indies;Bermuda;Central America;South America;Asia;Africa;Atlantic Islands;Indian Ocean Islands;Pacific Islands;Australia;tropical and subtropical areas
|reference=kohler1971a;kohler1976a;saunders1995a
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=1753;1754
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V6/V6_380.xml
|subfamily=Malvaceae subfam. Byttnerioideae
|genus=Waltheria
|androgynophore presence=absent;absent
|androgynophore some measurement=0mm;0.7mm
|anther shape=ovate;oblong
|bract architecture or orientation or position=unilateral
|bract architecture or position=floral
|bract position=subtending
|bract quantity=4
|bract size=subequal;unequal
|cincinnus architecture=5-40-flowered;paniculiform;glomerulate;paniculiform;glomerulate
|cotyledon shape=oblate
|endosperm presence=absent
|epicalyx presence=absent
|flower architecture=homostylous;subsessile;sessile
|flower odor=sweet-smelling
|fruits capsule architecture or structure in adjective form=1-locular
|fruits capsule dehiscence=loculicidal
|fruits capsule pubescence=hairy
|fruits capsule shape=oblique;obovoid;oblique;obovoid;obconic
|hair architecture=simple
|hair architecture or function or pubescence=glandular
|hair arrangement or shape=stellate
|inflorescence position=axillary
|lamina shape=obtriangular;oblanceolate;obtriangular;oblanceolate;oblong;obovate
|leaf architecture=petiolate
|margin architecture or shape=dentate
|margin shape=crenate;serrate;crenate;serrate
|nectary presence=absent
|ovary architecture=not;stipitate
|ovary architecture or structure in adjective form=1-locular
|ovary shape=obconic;obovoid
|ovule quantity=2
|petal coloration=darker;yellow-orange;bright-yellow;yellow-orange;bright-yellow;pale-yellow
|petal duration=late-deciduous
|petal shape=clawed;spatulate
|seed architecture or pubescence or relief=smooth
|seed coloration=black;brown
|seed quantity=1
|seed shape=oblique;obconic;oblique;obconic;obovoid;compressed
|seed texture=granulate
|sepal fusion=connate
|sepal length=1/2;2/3
|stamen length=connate
|staminode presence=absent
|stem architecture=unarmed
|stem pubescence=hairy
|stigma architecture=10-40-branched
|stipule duration=deciduous
|stipule shape=linear-triangular;triangular
|style position=included
|style shape=cylindric
|whole_organism architecture=taprooted
|whole_organism growth form=subshrub
|whole_organism orientation=prostrate;erect
|x chromosome quantity=13;10;7;6;5
}}<!--

-->[[Category:Treatment]][[Category:Malvaceae subfam. Byttnerioideae]]