View source for Microgramma

{{Treatment/ID
|accepted_name=Microgramma
|accepted_authority=C. Presl
|publications={{Treatment/Publication
|title=Tent. Pterid.
|place=185, 213, plate 7, figs. 13–14. 1836
|year=1836
}}
|common_names=Vine ferns
|basionyms=
|synonyms=
|hierarchy=Polypodiaceae;Microgramma
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polypodiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Microgramma]]</div></div>
|etymology=Greek mikros, small, and gramme, line; the sori are elongate in the type species
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><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><!--

-->{{Treatment/Body
|distribution=Tropical;North America;Mexico;West Indies;Central America;South America;Africa.
|discussion=<p>Species 20–30 (1 in the flora).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Microgramma
|author=Clifton E. Nauman
|authority=C. Presl
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Polypodiaceae
|distribution=Tropical;North America;Mexico;West Indies;Central America;South America;Africa.
|reference=None
|publication title=Tent. Pterid.
|publication year=1836
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_264.xml
|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
}}<!--

-->[[Category:Treatment]][[Category:Polypodiaceae]]