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-undefined" data-properties=""><b>Subshrubs </b>[herbs, shrubs], prostrate to erect, taprooted. <b>Stems</b> unarmed, hairy, hairs stellate and/or simple, sometimes also glandular. <b>Leaves</b> petiolate; stipules deciduous, narrowly triangular or linear-triangular; blade: margins dentate, serrate, or crenate. <b>Inflorescences</b> axillary, cincinni in double or compound dichasial clusters, glomerulate, or paniculiform, 5–40-flowered; epicalyx absent; bracts 4, unilateral subtending floral pair, unequal or subequal. <b>Flowers</b> sweet-smelling, sessile or subsessile, homostylous [mostly distylous]; sepals connate 1/2–2/3 length, nectary present; 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; androgynophore absent or present, to 0.7 mm; stamens connate most of length [connate basally to entirely]; anthers 2-thecate, oblong or ovate; staminodes 0; ovary 1-locular, obovoid or obconic, stipitate or not; ovules 2 per locule; styles included, cylindric; stigmas 10–40-branched, apex slightly exserted above stamen apices and corolla. <b>Fruits</b> capsules, 1-locular, obconic, obovoid, or oblique, apically hairy, dehiscence partially or completely loculicidal. <b>Seeds</b> 1(or 2) per locule, brown or black, slightly laterally compressed, obovoid, obconic, or oblique, smooth or minutely granulate; endosperm present; cotyledons oblate [widely elliptic to elliptic, circular]. <b>x</b> = 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://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V6/V6_380.xml
|subfamily=Malvaceae subfam. Byttnerioideae
|genus=Waltheria
}}<!--

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