View source for Evolvulus

{{Treatment/ID
|accepted_name=Evolvulus
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl. ed.
|place=2, 1: 391. 1762
|year=1762
}}
|common_names=Dwarf morning glory
|basionyms=
|synonyms=
|hierarchy=Convolvulaceae;Evolvulus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Convolvulaceae]]</div><div class="higher-taxon"><small>genus</small>[[Evolvulus]]</div></div>
|etymology=Latin evolvo, not twisting, alluding to nontwining habit, as contrasted with Convolvulus
|volume=Volume 14
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> perennials, or subshrubs. <b>Stems</b> ascending, decumbent, erect, procumbent, or prostrate, glabrous, glabrate, or hairy. <b>Leaves</b>: sessile or subsessile; blade elliptic, lanceolate, linear, oblanceolate, oblong, orbiculate, or ovate, 2–35 mm, surfaces glabrate, glabrous, or hairy. <b>Inflorescences</b> 2 or 3+-flowered cymes or flowers solitary. <b>Flowers</b>: sepals lance-linear, lanceolate, lanceolate-ovate, oblong, or ovate, 2–6 mm; corolla usually blue, lavender, purple, or white, rarely violet, campanulate, funnelform, or rotate, 3–15+ mm, limb 5-angled or -lobed to subentire, 5–12(–22) mm diam.; styles 2, distinct or basally connate, each 2-fid 1/2+ length; stigma lobes 4, filiform to subclavate. <b>Fruits</b> capsular, globose to ovoid, dehiscence circumscissle or valvate. <b>Seeds</b> 1–4, complanate to ± globose, glabrous, surfaces smooth or verrucose. <b>x</b> = 13.</span><!--

-->{{Treatment/Body
|distribution=North America;Mexico;West Indies;Central America;South America;introduced in Europe;Africa;Asia;Australia.
|discussion=<p>Species ca. 100 (7 in the flora).</p><!--
--><p>A record of Evolvulus nummularius (Linnaeus) Linnaeus for Florida is based on Rugel 108 (US), which is probably from Cuba (D. B. Ward 1968b).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Peduncles plus pedicels filiform, (8–)12–50+ mm.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Herbage glabrous or sparsely hairy and glabrescent, hairs appressed; stems usually procumbent or prostrate, sometimes decumbent.
|[[Evolvulus convolvuloides|Evolvulus convolvuloides]]
|-id=key-0-2
|2
|Herbage usually hairy, hairs ± appressed to spreading, sometimes tomentose; stems usually ascending, decumbent, or erect, rarely procumbent.
|[[#key-0-3| > 3]]
|-id=key-0-3
|3
|Leaf blades lanceolate, lance-linear, or linear; sepals lanceolate to lance-linear, 3–3.5 mm, abaxially pilose to tomentose; corolla limbs (10–)12–22 mm diam.
|[[Evolvulus arizonicus|Evolvulus arizonicus]]
|-id=key-0-3
|3
|Leaf blades elliptic, lanceolate, oblong, or ovate; sepals lanceolate, 2–2.5 mm, abaxially glabrous or pilose; corolla limbs (5–)7–10 mm diam.
|[[Evolvulus alsinoides|Evolvulus alsinoides]]
|-id=key-0-1
|1
|Peduncles plus pedicels stout, 0–2(–5+) mm.
|[[#key-0-4| > 4]]
|-id=key-0-4
|4
|Leaves distichous.
|[[#key-0-5| > 5]]
|-id=key-0-5
|5
|Stems decumbent to prostrate; leaf blades usually ovate to broadly ovate, sometimes suborbiculate, 5–8(–10) × 4–7 mm.
|[[Evolvulus grisebachii|Evolvulus grisebachii]]
|-id=key-0-5
|5
|Stems ascending or procumbent; leaf blades elliptic, lanceolate, oblong, or ovate, 4–25 × 2–10 mm.
|[[Evolvulus sericeus|Evolvulus sericeus]]
|-id=key-0-4
|4
|Leaves pentastichous.
|[[#key-0-6| > 6]]
|-id=key-0-6
|6
|Internodes usually 4+ mm; leaf blades elliptic to linear; outer sepals ovate, 3–4 mm; rhizomatous perennial.
|[[Evolvulus arenarius|Evolvulus arenarius]]
|-id=key-0-6
|6
|Internodes rarely 4+ mm; leaf blades usually elliptic, sometimes linear-oblong or narrowly lanceolate to oblanceolate, rarely oblong; outer sepals lanceolate to narrowly lanceolate, 4–5 mm; subshrub.
|[[Evolvulus nuttallianus|Evolvulus nuttallianus]]
|}
</div></div><!--

-->{{#Taxon:
name=Evolvulus
|author=Daniel F. Austin†
|authority=Linnaeus
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Convolvulaceae
|distribution=North America;Mexico;West Indies;Central America;South America;introduced in Europe;Africa;Asia;Australia.
|reference=None
|publication title=Sp. Pl. ed.
|publication year=1762
|special status=
|source xml=
|genus=Evolvulus
}}<!--

-->[[Category:Treatment]][[Category:Convolvulaceae]]