View source for Merremia ← Merremia You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Merremia |accepted_authority=Dennstedt ex Endlicher |publications={{Treatment/Publication |title=Gen. Pl. |place=18: 1403. 1841 |year=1841 |other_info_on_pub=name conserved }} |basionyms= |synonyms= |hierarchy=Convolvulaceae;Merremia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Convolvulaceae]]</div><div class="higher-taxon"><small>genus</small>[[Merremia]]</div></div> |etymology=Presumably for Blasius Merrem, 1763–1824, German professor |volume=Volume 14 |mention_page= |treatment_page= }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>[shrubs]. <b>Stems</b> twining-climbing [erect or prostrate], glabrous or hairy. <b>Leaves</b> petiolate; blade usually palmately lobed or palmately compound, sometimes not lobed or compound, 15–70(–150) mm, surfaces glabrous or hairy. <b>Inflorescences</b> 2–12(–20+)-flowered cymes or umbelliform clusters or flowers solitary. <b>Flowers</b>: sepals oblong, ovate, ovate-lanceolate, or rhombic, 3–30 mm, glabrous or hairy; corolla usually cream, white, white with purplish throat, or yellow, rarely rose, campanulate to funnelform, 15–60 mm, limb subentire or 5-toothed, -angled or -lobed; anthers twisted after dehiscence; pollen usually 3–9-colpate, rarely aggrecolpate, not echinate; styles 1; stigmas globose or 2-lobed, lobes globose. <b>Fruits</b> capsular, usually ± globose, sometimes quadrangular, dehiscence irregular or valvate. <b>Seeds</b> 1–4(–6), ± trigonous, glabrous or hairy. <b>x</b> = 15.</span><!-- -->{{Treatment/Body |distribution=s United States;Old World subtropics and tropics;introduced in Mexico;West Indies;Central America;South America. |discussion=<p>Species 80+ (6 in the flora).</p><!-- --><p>Merremia hastata Hallier f. [≡ M. tridentata (Linnaeus) Hallier f. subsp. hastata Ooststroom, Xenostegia tridentata (Linnaeus) D. F. Austin & Staples subsp. hastata (Ooststroom) Parmar] was recorded from ballast in Georgia in 1902; it evidently did not persist in the flora area.</p><!-- --><p>A. R. Samões and G. W. Staples (2017) treated Merremia aegyptia as Distimake aegyptius (Linnaeus) A. R. Samões & Staples, M. cissoides as D. cissoides (Lamarck) A. R. Samões & Staples, M. dissecta as D. dissectus (Jacquin) A. R. Samões & Staples, M. quinquefolia as D. quinquefolius (Linnaeus) A. R. Samões & Staples, M. tuberosa as D. tuberosus (Linnaeus) A. R. Samões & Staples, and M. umbellata as Camonea umbellata (Linnaeus) A. R. Samões & Staples.</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Leaf blades not lobed or compound; inflorescences usually 3–20+-flowered umbellform clusters, flowers rarely solitary. |[[Merremia umbellata|Merremia umbellata]] |-id=key-0-1 |1 |Leaf blades palmately lobed or compound; inflorescences 2–9-flowered cymes or flowers solitary. |[[#key-0-2| > 2]] |-id=key-0-2 |2 |Leaf blades palmately lobed. |[[#key-0-3| > 3]] |-id=key-0-3 |3 |Leaf lobe margins crenate, dentate, or irregularly pinnati-sinuate; corollas white with purplish throats. |[[Merremia dissecta|Merremia dissecta]] |-id=key-0-3 |3 |Leaf lobe margins entire; corollas yellow. |[[Merremia tuberosa|Merremia tuberosa]] |-id=key-0-2 |2 |Leaf blades palmately compound. |[[#key-0-4| > 4]] |-id=key-0-4 |4 |Leaflet margins dentate or entire; sepal abaxial surfaces hirsute, glabrescent. |[[Merremia aegyptia|Merremia aegyptia]] |-id=key-0-4 |4 |Leaflet margins usually dentate, sometimes remotely serrate to subentire, rarely entire; sepal abaxial surfaces glabrous or hairy, hairs glandular and setaceous. |[[#key-0-5| > 5]] |-id=key-0-5 |5 |Sepals: outer and inner 10–18 mm, apex acuminate, abaxial surface hairy, hairs glandular and setaceous. |[[Merremia cissoides|Merremia cissoides]] |-id=key-0-5 |5 |Sepals: outer 3–5 mm, inner 4–7 mm, apex obtuse, abaxial surface glabrous. |[[Merremia quinquefolia|Merremia quinquefolia]] |} </div></div><!-- -->{{#Taxon: name=Merremia |author=Daniel F. Austin† |authority=Dennstedt ex Endlicher |rank=genus |parent rank=family |synonyms= |basionyms= |family=Convolvulaceae |distribution=s United States;Old World subtropics and tropics;introduced in Mexico;West Indies;Central America;South America. |reference=None |publication title=Gen. Pl. |publication year=1841 |special status= |source xml= |genus=Merremia }}<!-- -->[[Category:Treatment]][[Category:Convolvulaceae]] Templates used on this page: Template:Convolvulaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Return to Merremia.