View source for Calystegia silvatica

{{Treatment/ID
|accepted_name=Calystegia silvatica
|accepted_authority=(Kitaibel) Grisebach
|publications={{Treatment/Publication
|title=Spic. Fl. Rumel.
|place=2: 74. 1844
|year=1844
|other_info_on_pub=(as sylvatica)
}}
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms={{Treatment/ID/Basionym
|name=Convolvulus silvaticus
|authority=Kitaibel
|rank=species
|publication_title=Neues J. Bot.
|publication_place=1: 163.  1805
}}
|synonyms=
|hierarchy=Convolvulaceae;Calystegia;Calystegia silvatica
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Convolvulaceae]]</div><div class="higher-taxon"><small>genus</small>[[Calystegia]]</div><div class="higher-taxon"><small>species</small>[[Calystegia silvatica]]</div></div>
|volume=Volume 14
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> rhizomatous. <b>Herb</b>age glabrous. <b>Stems</b> twining-climbing. <b>Leaves</b>: blade ± cordate, to 50–120 mm, base rounded or lobed, lobes rounded or 1-pointed, basal sinus ± quadrate to rounded. <b>Bracts</b> immediately subtending sepals, lanceolate, to 30 × 15–35 mm, proximally saccate, margins strongly enfolding sepals, apex obtuse to truncate. <b>Flowers</b>: sepals oval to ovate, 15–23 mm; corolla white, sometimes pinkish-striped, rarely otherwise pink-tinged, 43–70[–88] mm; stamens 23–40 mm; anthers 4–6.5 mm.</span><!--

-->{{Treatment/Body
|distribution=North America;Europe;Asia;Pacific Islands (New Zealand);temperate regions.
|discussion=<p>Subspecies 3 (2 in the flora).</p><!--
--><p>Subspecies silvatica is native to eastern Mediterranean Europe; it has corollas (50–)55–75(–88) mm, stamens (25–)28–36(–39) mm, and bract apices emarginate to truncate.</p><!--
--><p>Intermediates between Calystegia silvatica and C. sepium may be due to ancient or recent hybridization.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Peduncles 1–2 per axil; anthers 4–5 mm.
|[[Calystegia silvatica subsp. fraterniflora|Calystegia silvatica subsp. fraterniflora]]
|-id=key-0-1
|1
|Peduncles 1 per axil; anthers 5–6.5 mm.
|[[Calystegia silvatica subsp. disjuncta|Calystegia silvatica subsp. disjuncta]]
|}
</div></div><!--

-->{{#Taxon:
name=Calystegia silvatica
|authority=(Kitaibel) Grisebach
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Convolvulus silvaticus
|family=Convolvulaceae
|distribution=North America;Europe;Asia;Pacific Islands (New Zealand);temperate regions.
|reference=None
|publication title=Spic. Fl. Rumel.
|publication year=1844
|special status=Illustrated
|source xml=
|genus=Calystegia
|species=Calystegia silvatica
}}<!--

-->[[Category:Treatment]][[Category:Calystegia]]