Difference between revisions of "Microgramma"

C. Presl

Tent. Pterid. 185, 213, plate 7, figs. 13–14. 1836.

Common names: Vine ferns
Etymology: Greek mikros, small, and gramme, line the sori are elongate in the type species
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="plant habitat;plant habitat"><b>Plants </b>epiphytic or on rock.</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form or orientation;stem architecture;stem diameter;stem coloration;stem coating"><b>Stems </b>long-creeping, branched, 0.5–1.5 mm diam., not whitish pruinose;</span> <span class="statement" id="st-d0_s2" data-properties="scale coloration;scale shape;scale pubescence;margin shape;margin shape">scales bicolored, rhombic, glabrous, margins entire or toothed.</span> <span class="statement" id="st-d0_s3" data-properties="leaf architecture;leaf growth form;leaf arrangement;leaf shape;leaf some measurement"><b>Leaves </b>monomorphic or dimorphic, well separated, not narrowed toward tip, to 17 cm;</span> <span class="statement" id="st-d0_s4" data-properties="leaf reproduction;leaf width;leaf length or size;leaf reproduction">fertile leaves often narrower and longer than sterile leaves.</span> <span class="statement" id="st-d0_s5" data-properties="petiole architecture;petiole coloration;petiole coloration;petiole coloration;petiole shape"><b>Petiole </b>articulate to stem, straw-colored to greenish, somewhat flattened.</span> <span class="statement" id="st-d0_s6" data-properties="blade architecture;blade shape;blade shape;blade shape;blade pubescence;blade architecture or pubescence;margin shape;margin shape;margin shape"><b>Blade </b>simple, linear-elliptic to linear-oblanceolate, glabrous, or sparsely scaly on midrib, margins entire to crenate.</span> <span class="statement" id="st-d0_s7" data-properties="vein prominence;areole count;areole count;areole fusion"><b>Veins </b>obscure, forming a row of costal areoles and often additional areoles toward blade margins, areoles often with 1–several free included veinlets.</span> <span class="statement" id="st-d0_s8" data-properties="sorus fusion;sorus shape;between midrib and margin row count"><b>Sori </b>in 1 row between midrib and margin on included veinlets, discrete, round [elongate];</span> <span class="statement" id="st-d0_s9" data-properties="indument count;scale shape">indument of threadlike scales or absent.</span> <span class="statement" id="st-d0_s10" data-properties=""><b>Spores </b>tuberculate to rugose.</span> <span class="statement" id="st-d0_s11" data-properties="spore relief;spore relief;spore relief;x chromosome count">x = 37.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>epiphytic or on rock. <b>Stems</b> long-creeping, branched, 0.5–1.5 mm diam., not whitish pruinose; scales bicolored, rhombic, glabrous, margins entire or toothed. <b>Leaves</b> monomorphic or dimorphic, well separated, not narrowed toward tip, to 17 cm; fertile leaves often narrower and longer than sterile leaves. <b>Petiole</b> articulate to stem, straw-colored to greenish, somewhat flattened. <b>Blade</b> simple, linear-elliptic to linear oblanceolate, glabrous, or sparsely scaly on midrib, margins entire to crenate. <b>Veins</b> obscure, forming a row of costal areoles and often additional areoles toward blade margins, areoles often with 1–several free included veinlets. <b>Sori</b> in 1 row between midrib and margin on included veinlets, discrete, round [elongate]; indument of threadlike scales or absent. <b>Spores</b> tuberculate to rugose. <b>x</b> = 37.</span><!--
  
 
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|publication year=1836
 
|publication year=1836
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_264.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_264.xml
 
|genus=Microgramma
 
|genus=Microgramma
|areole count=1;several
 
|areole fusion=free
 
|between midrib and margin row count=1
 
|blade architecture=simple
 
|blade architecture or pubescence=scaly
 
|blade pubescence=glabrous
 
|blade shape=linear-elliptic;linear-oblanceolate
 
|indument count=absent
 
|leaf architecture=monomorphic
 
|leaf arrangement=separated
 
|leaf growth form=dimorphic
 
|leaf length or size=often narrower and longer
 
|leaf reproduction=sterile;fertile
 
|leaf shape=not narrowed
 
|leaf some measurement=0cm;17cm
 
|leaf width=narrower
 
|margin shape=entire;crenate
 
|petiole architecture=articulate
 
|petiole coloration=straw-colored;greenish
 
|petiole shape=flattened
 
|plant habitat=on rock;epiphytic
 
|scale coloration=bicolored
 
|scale pubescence=glabrous
 
|scale shape=threadlike;rhombic
 
|sorus fusion=discrete
 
|sorus shape=round
 
|spore relief=tuberculate;rugose
 
|stem architecture=branched
 
|stem coating=pruinose
 
|stem coloration=not whitish
 
|stem diameter=0.5mm;1.5mm
 
|stem growth form or orientation=long-creeping
 
|vein prominence=obscure
 
|x chromosome count=37
 
 
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-->[[Category:Treatment]][[Category:Polypodiaceae]]
 
-->[[Category:Treatment]][[Category:Polypodiaceae]]

Latest revision as of 21:22, 5 November 2020

Plants epiphytic or on rock. Stems long-creeping, branched, 0.5–1.5 mm diam., not whitish pruinose; scales bicolored, rhombic, glabrous, margins entire or toothed. Leaves monomorphic or dimorphic, well separated, not narrowed toward tip, to 17 cm; fertile leaves often narrower and longer than sterile leaves. Petiole articulate to stem, straw-colored to greenish, somewhat flattened. Blade simple, linear-elliptic to linear oblanceolate, glabrous, or sparsely scaly on midrib, margins entire to crenate. Veins obscure, forming a row of costal areoles and often additional areoles toward blade margins, areoles often with 1–several free included veinlets. Sori in 1 row between midrib and margin on included veinlets, discrete, round [elongate]; indument of threadlike scales or absent. Spores tuberculate to rugose. x = 37.

Distribution

Tropical, North America, Mexico, West Indies, Central America, South America, Africa.

Discussion

Species 20–30 (1 in the flora).

Selected References

None.

... more about "Microgramma"
Clifton E. Nauman +
C. Presl +
Vine ferns +
Tropical +, North America +, Mexico +, West Indies +, Central America +, South America +  and Africa. +
Greek mikros, small, and gramme, line +  and the sori are elongate in the type species +
Tent. Pterid. +
Microgramma +
Polypodiaceae +