Difference between revisions of "Ceratopteris thalictroides"

(Linnaeus) Brongniart

Bull. Sci. Soc. Philom. Paris sér. 3, 8: 186. 1821.

Basionym: Acrostichum thalictroides Linnaeus
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="plant architecture"><b>Plants </b>usually rooted in soil.</span> <span class="statement" id="st-d0_s1" data-properties="leaf reproduction;leaf shape;leaf shape;leaf shape;leaf shape;leaf shape;leaf shape"><b>Sterile </b>leaves lanceolate to lanceovate to ovate to deltate or cordate.</span> <span class="statement" id="st-d0_s2" data-properties="petiole some measurement;petiole shape;leaf reproduction"><b>Petiole </b>of sterile leaf 1–31 cm, not inflated.</span> <span class="statement" id="st-d0_s3" data-properties="blade architecture or shape;blade length;blade width;leaf reproduction"><b>Blade </b>of sterile leaf 1–3-pinnate, 2–41 × 2–20 cm;</span> <span class="statement" id="st-d0_s4" data-properties="segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment shape;segment some measurement">segments lobed or incised, elliptic to lanceolate to ovate or deltate, to 12.5 cm;</span> <span class="statement" id="st-d0_s5" data-properties="proximal pinna arrangement">proximal pinnae ± alternate.</span> <span class="statement" id="st-d0_s6" data-properties="leaf reproduction;leaf shape;leaf shape;leaf shape;leaf shape;leaf shape;leaf length;leaf width"><b>Fertile </b>leaves lanceolate to ovate to deltate or cordate, 2–117 × 2–48 cm.</span> <span class="statement" id="st-d0_s7" data-properties="petiole some measurement;leaf reproduction"><b>Petiole </b>of fertile leaf 1–46 cm.</span> <span class="statement" id="st-d0_s8" data-properties="blade architecture or shape;blade architecture or shape;leaf reproduction"><b>Blade </b>of fertile leaf 3–4-pinnate proximally, 2-pinnate distally;</span> <span class="statement" id="st-d0_s9" data-properties="terminal segment arrangement or course or shape">terminal segments linear.</span> <span class="statement" id="st-d0_s10" data-properties="sporangium arrangement;segment midvein shape or vernation;segment margin shape or vernation;annulus cell count;annulus cell texture"><b>Sporangia </b>usually crowded between segment midvein and revolute margin, with 13–71 indurate annulus cells.</span> <span class="statement" id="st-d0_s11" data-properties="spore count;spore diameter;2n chromosome count;2n chromosome count"><b>Spores </b>32 per sporangium, 96–124 µm diam. <b>2n</b> = 154, 156.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>usually rooted in soil. <b>Sterile</b> leaves lanceolate to lance-ovate to ovate to deltate or cordate. <b>Petiole</b> of sterile leaf 1–31 cm, not inflated. <b>Blade</b> of sterile leaf 1–3-pinnate, 2–41 × 2–20 cm; segments lobed or incised, elliptic to lanceolate to ovate or deltate, to 12.5 cm; proximal pinnae ± alternate. <b>Fertile</b> leaves lanceolate to ovate to deltate or cordate, 2–117 × 2–48 cm. <b>Petiole</b> of fertile leaf 1–46 cm. <b>Blade</b> of fertile leaf 3–4-pinnate proximally, 2-pinnate distally; terminal segments linear. <b>Sporangia</b> usually crowded between segment midvein and revolute margin, with 13–71 indurate annulus cells. <b>Spores</b> 32 per sporangium, 96–124 µm diam. <b>2n</b> = 154, 156.</span><!--
  
 
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|publication year=1821
 
|publication year=1821
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_737.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_737.xml
 
|genus=Ceratopteris
 
|genus=Ceratopteris
 
|species=Ceratopteris thalictroides
 
|species=Ceratopteris thalictroides
|2n chromosome count=156;154
 
|annulus cell count=13;71
 
|annulus cell texture=indurate
 
|blade architecture or shape=2-pinnate;3-4-pinnate;1-3-pinnate
 
|blade length=2cm;41cm
 
|blade width=2cm;20cm
 
|leaf length=2cm;117cm
 
|leaf reproduction=fertile;fertile;fertile;sterile;sterile;sterile
 
|leaf shape=lanceolate;ovate
 
|leaf width=2cm;48cm
 
|petiole shape=not inflated
 
|petiole some measurement=1cm;46cm
 
|plant architecture=rooted
 
|proximal pinna arrangement=alternate
 
|segment margin shape or vernation=revolute
 
|segment midvein shape or vernation=revolute
 
|segment shape=incised elliptic;lanceolate
 
|segment some measurement=0cm;12.5cm
 
|sporangium arrangement=crowded
 
|spore count=32
 
|spore diameter=96um;124um
 
|terminal segment arrangement or course or shape=linear
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Ceratopteris]]
 
-->[[Category:Treatment]][[Category:Ceratopteris]]

Revision as of 13:27, 27 July 2019

Plants usually rooted in soil. Sterile leaves lanceolate to lance-ovate to ovate to deltate or cordate. Petiole of sterile leaf 1–31 cm, not inflated. Blade of sterile leaf 1–3-pinnate, 2–41 × 2–20 cm; segments lobed or incised, elliptic to lanceolate to ovate or deltate, to 12.5 cm; proximal pinnae ± alternate. Fertile leaves lanceolate to ovate to deltate or cordate, 2–117 × 2–48 cm. Petiole of fertile leaf 1–46 cm. Blade of fertile leaf 3–4-pinnate proximally, 2-pinnate distally; terminal segments linear. Sporangia usually crowded between segment midvein and revolute margin, with 13–71 indurate annulus cells. Spores 32 per sporangium, 96–124 µm diam. 2n = 154, 156.


Habitat: Aquatic to semiaquatic in swamps, bogs, canals, ponds, lakes, ditches, marshes
Elevation: 0–200 m

Distribution

V2 737-distribution-map.gif

Calif., Fla., La., Tex., worldwide in tropical areas except Africa.

Discussion

Ceratopteris thalictroides is common in Florida but rare elsewhere. It is tetraploid (n = 77, 78), the two cytotypes reproductively isolated. It can be distinguished from the diploid C. richardii on the basis of spore number per sporangium. The single population in southern California may have been a recent introduction and apparently has not persisted. Several populations are of hybrid origin, with reduced spore viability and irregular meiotic pairing. These include some in southern Florida and Texas.

Selected References

None.

Lower Taxa

None.
Robert M. Lloyd +
(Linnaeus) Brongniart +
Acrostichum thalictroides +
Calif. +, Fla. +, La. +, Tex. +  and worldwide in tropical areas except Africa. +
0–200 m +
Aquatic to semiaquatic in swamps, bogs, canals, ponds, lakes, ditches, marshes +
Bull. Sci. Soc. Philom. Paris +
Ceratopteris thalictroides +
Ceratopteris +
species +