View source for Cuscuta japonica

{{Treatment/ID
|accepted_name=Cuscuta japonica
|accepted_authority=Choisy in H. Zollinger
|publications={{Treatment/Publication
|title=Syst. Verz.
|place=2: 134. 1854
|year=1854
}}
|common_names=Japanese dodder
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Convolvulaceae;Cuscuta;Cuscuta subg. Monogynella;Cuscuta japonica
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Convolvulaceae]]</div><div class="higher-taxon"><small>genus</small>[[Cuscuta]]</div><div class="higher-taxon"><small>subgenus</small>[[Cuscuta subg. Monogynella]]</div><div class="higher-taxon"><small>species</small>[[Cuscuta japonica]]</div></div>
|volume=Volume 14
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>yellow-orange, often with purple spots, medium to coarse. <b>Inflorescences</b> spikes, racemes, or loose panicles, with 1–3(–7)-flowered cymes, flowers sessile or subsessile; bracts at base of clusters and flowers 1(or 2), broadly ovate, membranous, margins entire, apex obtuse. <b>Pedicels</b> 0–1 mm. <b>Flowers</b> 5-merous, 3–7 mm, fleshy, not papillate; calyx creamy white, drying yellow-brown, cupulate, 1/3–1/2 corolla tube length, divided 2/3 its length, not reticulate or shiny, lobes orbiculate to ovate, bases overlapping, margins entire, not partly hyaline, midvein carinate or not, apex acute to obtuse; corolla greenish white to pink, drying creamy yellow, 2.6–6.8 mm, tube cylindric, 2–4.3 mm, not saccate, lobes erect to spreading, ovate to ovate-triangular, 1/3–1/2 tube length, margins irregularly crenulate or entire, apex rounded to obtuse; infrastaminal scales oblong to ovate, 1.8–2.8 mm, 1/2 to equaling corolla tube length, bridged at 0.4–0.1 mm, rounded, with dense, thin fimbriae, 0.1–0.3 mm on margins; stamens included, shorter than corolla lobes; filaments 0–0.1 mm; anthers 0.6–1.1 × 0.5–0.7 mm; styles 1, not distally 2-fid or separable, 1–1.6 mm, equaling or longer than ovary, longer than stigma; stigmas globose, ellipsoid, ovoid, obovoid, conic, or ± cuboid, 0.1–0.6 mm. <b>Capsules</b> ovoid to helmet-shaped, 4.5–5.5(–7) × 3–3.6(–5) mm, not translucent, capped by withered corolla. <b>Seeds</b> 1–3, broadly ellipsoid to obovoid, slightly obcompressed, 2.5–2.8 × 1.1–1.7 mm, hilum region terminal.</span><!--

-->{{Treatment/Body
|distribution=e Asia.
|introduced=true
|discussion=<p>Varieties 2 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Corollas 3–5 mm; stigmas conic, ellipsoid, globose, obovoid, or ovoid.
|[[Cuscuta japonica var. japonica|Cuscuta japonica var. japonica]]
|-id=key-0-1
|1
|Corollas 4–7 mm; stigmas ± cuboid.
|[[Cuscuta japonica var. formosana|Cuscuta japonica var. formosana]]
|}
</div></div><!--

-->{{#Taxon:
name=Cuscuta japonica
|authority=Choisy in H. Zollinger
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=
|family=Convolvulaceae
|distribution=e Asia.
|introduced=true
|reference=None
|publication title=Syst. Verz.
|publication year=1854
|special status=Introduced;Illustrated
|source xml=
|genus=Cuscuta
|subgenus=Cuscuta subg. Monogynella
|species=Cuscuta japonica
}}<!--

-->[[Category:Treatment]][[Category:Cuscuta subg. Monogynella]]