Difference between revisions of "Cheiroglossa palmata"

(Linnaeus) C. Presl

Suppl. Tent. Pterid. 57. 1845.

Common names: Hand fern
Basionym: Ophioglossum palmatum Linnaeus
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="root coloration;root count;root diameter;root life cycle"><b>Roots </b>tan, to 15 per plant, 1–1.5 mm diam., proliferating in humus or underneath palm leaf-bases.</span> <span class="statement" id="st-d0_s1" data-properties="stem some measurement;tuft density;tuft some measurement;hair coloration;hair coloration;hair coloration;hair architecture"><b>Stems </b>0.5–1.5 cm, covered near apex with dense tuft of white to light-brown, multicellular hairs to 7 mm.</span> <span class="statement" id="st-d0_s2" data-properties="trophophore blade coloration;trophophore blade reflectance;trophophore blade length;trophophore blade width;lobe count;lobe shape;lobe shape;lobe shape;lobe shape"><b>Trophophore </b>blades green, shiny, to 45 × 30 cm, proximal margins diverging 90°–150° from stalk, with up to 7 rounded to mostly linear, acute lobes;</span> <span class="statement" id="st-d0_s3" data-properties="proximal margin orientation;proximal margin architecture or coloration or relief;proximal margin relief;veinlet size;veinlet size;individual fusion;individual size;individual size;secondary areole fusion;secondary areole size;secondary areole size">venation complex-reticulate, very coarse, veinlets included in (usually elongate) very large major areoles to 35 × 8 mm, veinlets free or sometimes forming individual secondary areoles;</span> <span class="statement" id="st-d0_s4" data-properties="blade texture;blade growth form or texture">blades firm, herbaceous.</span> <span class="statement" id="st-d0_s5" data-properties="trophophore stalk prominence;trophophore stalk length"><b>Trophophore </b>stalk well defined, 1–2.5 times as long as trophophore blade.</span> <span class="statement" id="st-d0_s6" data-properties="sporophore count;sporophore position;sporophore orientation;sporophore arrangement;sporophore structure in adjective form;sporophore arrangement;sporophore length;sporophore width;smallest leaf life cycle;smallest leaf count;apiculum count"><b>Sporophores </b>single and central only on youngest or smallest leaves, normally to 10 per leaf, arising closely spaced from both sides of base of trophophore blade and top of stalk, sporangial clusters 1–7cm × 2.5–3 mm, apiculum absent.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>tan, to 15 per plant, 1–1.5 mm diam., proliferating in humus or underneath palm leaf bases. <b>Stems</b> 0.5–1.5 cm, covered near apex with dense tuft of white to light brown, multicellular hairs to 7 mm. <b>Trophophore</b> blades green, shiny, to 45 × 30 cm, proximal margins diverging 90°–150° from stalk, with up to 7 rounded to mostly linear, acute lobes; venation complex-reticulate, very coarse, veinlets included in (usually elongate) very large major areoles to 35 × 8 mm, veinlets free or sometimes forming individual secondary areoles; blades firm, herbaceous. <b>Trophophore</b> stalk well defined, 1–2.5 times as long as trophophore blade. <b>Sporophores</b> single and central only on youngest or smallest leaves, normally to 10 per leaf, arising closely spaced from both sides of base of trophophore blade and top of stalk, sporangial clusters 1–7cm × 2.5–3 mm, apiculum absent.</span><!--
  
 
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|publication year=1845
 
|publication year=1845
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_460.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_460.xml
 
|genus=Cheiroglossa
 
|genus=Cheiroglossa
 
|species=Cheiroglossa palmata
 
|species=Cheiroglossa palmata
|apiculum count=absent
 
|blade growth form or texture=herbaceous
 
|blade texture=firm
 
|hair architecture=multicellular
 
|hair coloration=white;light-brown
 
|individual fusion=free
 
|individual size=major;large
 
|lobe count=0;7
 
|lobe shape=acute;rounded;mostly linear
 
|proximal margin architecture or coloration or relief=complex-reticulate
 
|proximal margin orientation=diverging
 
|proximal margin relief=coarse
 
|root coloration=tan
 
|root count=0;15
 
|root diameter=1mm;1.5mm
 
|root life cycle=proliferating
 
|secondary areole fusion=free
 
|secondary areole size=major;large
 
|smallest leaf count=0;10
 
|smallest leaf life cycle=youngest
 
|sporophore arrangement=clusters;spaced
 
|sporophore count=single
 
|sporophore length=1cm;7cm
 
|sporophore orientation=arising
 
|sporophore position=central
 
|sporophore structure in adjective form=sporangial
 
|sporophore width=2.5mm;3mm
 
|stem some measurement=0.5cm;1.5cm
 
|trophophore blade coloration=green
 
|trophophore blade length=0cm;45cm
 
|trophophore blade reflectance=shiny
 
|trophophore blade width=0cm;30cm
 
|trophophore stalk length=1-2.5 times as long as trophophore blade
 
|trophophore stalk prominence=defined
 
|tuft density=dense
 
|tuft some measurement=0mm;7mm
 
|veinlet size=major;large
 
 
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Revision as of 13:21, 27 July 2019

Roots tan, to 15 per plant, 1–1.5 mm diam., proliferating in humus or underneath palm leaf bases. Stems 0.5–1.5 cm, covered near apex with dense tuft of white to light brown, multicellular hairs to 7 mm. Trophophore blades green, shiny, to 45 × 30 cm, proximal margins diverging 90°–150° from stalk, with up to 7 rounded to mostly linear, acute lobes; venation complex-reticulate, very coarse, veinlets included in (usually elongate) very large major areoles to 35 × 8 mm, veinlets free or sometimes forming individual secondary areoles; blades firm, herbaceous. Trophophore stalk well defined, 1–2.5 times as long as trophophore blade. Sporophores single and central only on youngest or smallest leaves, normally to 10 per leaf, arising closely spaced from both sides of base of trophophore blade and top of stalk, sporangial clusters 1–7cm × 2.5–3 mm, apiculum absent.


Habitat: Evergreen. Among leaf bases on palmetto trunks [Sabal palmetto (Walter) Loddiges ex Schultes & Schultes f.], mainly in hammocks and swamps
Elevation: 0–50 m

Distribution

V2 460-distribution-map.gif

Fla., Mexico, West Indies, Central America, South America, disjunct in Asia in s Vietnam, Africa in Madagascar, Seychelles, and Réunion.

Discussion

This very remarkable plant is becoming extremely rare in Florida.

Selected References

None.

Lower Taxa

None.
... more about "Cheiroglossa palmata"
Warren H. Wagner Jr. +  and Florence S. Wagner +
(Linnaeus) C. Presl +
Ophioglossum palmatum +
Hand fern +
Fla. +, Mexico +, West Indies +, Central America +, South America +, disjunct in Asia in s Vietnam +, Africa in Madagascar +, Seychelles +  and and Réunion. +
0–50 m +
Evergreen. Among leaf bases on palmetto trunks [Sabal palmetto (Walter) Loddiges ex Schultes & Schultes f.], mainly in hammocks and swamps +
Suppl. Tent. Pterid. +
Cheiroglossa palmata +
Cheiroglossa +
species +