View source for Caltha

{{Treatment/ID
|accepted_name=Caltha
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 558. 175
}}, {{Treatment/Publication
|title=Gen. Pl. ed.
|place=5, 244. 1754
|year=1754
}}
|common_names=Marsh-marigold;populage
|basionyms=
|synonyms=
|hierarchy=Ranunculaceae;Caltha
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ranunculaceae]]</div><div class="higher-taxon"><small>genus</small>[[Caltha]]</div></div>
|etymology=Greek name for some yellow-flowered plants
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form;caudex width;caudex some measurement"><b>Herbs,</b> perennial, from thick caudices 0.5-2 cm or slender stolons.</span> <span class="statement" id="st-d0_s1" data-properties="leaf position;leaf position;leaf architecture"><b>Leaves </b>basal and cauline, simple;</span> <span class="statement" id="st-d0_s2" data-properties="proximal leaf architecture;distal leaf architecture;distal leaf architecture">proximal leaves petiolate, distal leaves sessile or nearly so;</span> <span class="statement" id="st-d0_s3" data-properties="cauline leaf arrangement">cauline leaves alternate.</span> <span class="statement" id="st-d0_s4" data-properties="leaf-blade shape;leaf-blade shape;margin architecture or shape;margin shape;margin shape;margin shape;margin shape"><b>Leaf-</b>blade unlobed, oblong-ovate to orbiculate-reniform or cordate, margins entire, dentate, or crenate.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence position;inflorescence position;cyme architecture;cyme architecture or arrangement or growth form;cyme some measurement;flower architecture;flower architecture or arrangement or growth form;flower some measurement"><b>Inflorescences </b>terminal or axillary, 1-6-flowered cymes or flowers solitary, to 22 cm;</span> <span class="statement" id="st-d0_s6" data-properties="bract architecture or shape">bracts leaflike, not forming involucre.</span> <span class="statement" id="st-d0_s7" data-properties="flower reproduction;flower architecture or shape"><b>Flowers </b>bisexual, radially symmetric;</span> <span class="statement" id="st-d0_s8" data-properties="sepal duration;sepal coloration;sepal coloration;sepal coloration;sepal coloration;sepal coloration;sepal coloration;sepal shape;sepal shape;sepal some measurement;fruit quantity">sepals not persistent in fruit, 5-12, white, pinkish, yellow, or orange, plane, oval-orbiculate to narrowly obovate, 4-23 mm;</span> <span class="statement" id="st-d0_s9" data-properties="petal presence">petals absent;</span> <span class="statement" id="st-d0_s10" data-properties="stamen quantity">stamens 10-40;</span> <span class="statement" id="st-d0_s11" data-properties="filament shape">filaments filiform;</span> <span class="statement" id="st-d0_s12" data-properties="staminode presence">staminodes absent between stamens and pistils;</span> <span class="statement" id="st-d0_s13" data-properties="pistil quantity;pistil architecture">pistils 5-55, simple;</span> <span class="statement" id="st-d0_s14" data-properties="ovule quantity">ovules 15-35 per pistil;</span> <span class="statement" id="st-d0_s15" data-properties="style some measurement">style 0.1-2 mm.</span> <span class="statement" id="st-d0_s16" data-properties="fruits follicle architecture;fruits follicle architecture;fruits follicle architecture;fruits follicle shape;side architecture;side architecture"><b>Fruits </b>follicles, aggregate, sessile or stipitate, linear-oblong to ellipsoid, sides prominently veined or not;</span> <span class="statement" id="st-d0_s17" data-properties="beak position or structure subtype;beak course;beak course;beak some measurement">beak terminal, straight or weakly curved, 0.2-2 mm.</span> <span class="statement" id="st-d0_s18" data-properties=""><b>Seeds </b>brown, elliptic to broadly elliptic, rugulose.</span> <span class="statement" id="st-d0_s19" data-properties="seed coloration;seed arrangement or shape;seed relief;x chromosome quantity">x=8.</span><!--

-->{{Treatment/Body
|distribution=Primarily temperate wetlands;worldwide
|discussion=<p>Species 10 (3 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
|Stems leafless, or with 1 leaf; sepals white to yellow, not orange or pinkish.
|[[Caltha leptosepala|Caltha leptosepala]]
|-id=key-0-1
|1
|Stems leafy; sepals white, yellow, or orange, or pinkish.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Stems creeping or floating, rooting at nodes; sepals white or pinkish, 4–7(–8) mm; follicles 20–55, bodies 3.2–6.5 mm; seeds 0.5–0.8 mm.
|[[Caltha natans|Caltha natans]]
|-id=key-0-2
|2
|Stems erect, or sprawling with age and then producing shoots and roots at nodes; sepals yellow or orange, (6–)10–25 mm; follicles 5–15(–25), bodies 8–15 mm; seeds 1.5–2.5 mm.
|[[Caltha palustris|Caltha palustris]]
|}
</div></div><!--

-->{{#Taxon:
name=Caltha
|author=Bruce A. Ford
|authority=Linnaeus
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Ranunculaceae
|distribution=Primarily temperate wetlands;worldwide
|reference=None
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=;1754
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V3/V3_803.xml
|genus=Caltha
|beak course=curved;straight
|beak position or structure subtype=terminal
|beak some measurement=0.2mm;2mm
|bract architecture or shape=leaflike
|caudex some measurement=0.5cm;2cm
|caudex width=thick
|cauline leaf arrangement=alternate
|cyme architecture=1-6-flowered
|cyme architecture or arrangement or growth form=solitary
|cyme some measurement=0cm;22cm
|distal leaf architecture=nearly;sessile
|filament shape=filiform
|flower architecture=1-6-flowered
|flower architecture or arrangement or growth form=solitary
|flower architecture or shape=symmetric
|flower reproduction=bisexual
|flower some measurement=0cm;22cm
|fruit quantity=5;12
|fruits follicle architecture=stipitate;sessile;aggregate
|fruits follicle shape=linear-oblong;ellipsoid
|inflorescence position=axillary;terminal
|leaf architecture=simple
|leaf position=cauline;basal
|leaf-blade shape=oblong-ovate;orbiculate-reniform or cordate
|margin architecture or shape=entire
|margin shape=crenate;dentate;crenate;dentate
|ovule quantity=15;35
|petal presence=absent
|pistil architecture=simple
|pistil quantity=5;55
|proximal leaf architecture=petiolate
|seed arrangement or shape=elliptic;broadly elliptic
|seed coloration=brown
|seed relief=rugulose
|sepal coloration=orange;yellow;orange;yellow;pinkish;white
|sepal duration=not persistent
|sepal shape=oval-orbiculate;narrowly obovate
|sepal some measurement=4mm;23mm
|side architecture=not;veined
|stamen quantity=10;40
|staminode presence=absent
|style some measurement=0.1mm;2mm
|whole_organism duration=perennial
|whole_organism growth form=herb
|x chromosome quantity=8
}}<!--

-->[[Category:Treatment]][[Category:Ranunculaceae]]