FNA>Volume Importer |
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| − | --><span class="statement" id="st-d0_s0" data-properties="plants perennial habitat;plants perennial habitat"><b>Plants </b>perennials, terrestrial or epiphytic.</span> <span class="statement" id="st-d0_s1" data-properties="root architecture;root architecture;root hair count;lateral branch count;lateral branch size or width;species count;species architecture"><b>Roots </b>lacking root hairs, unbranched or with a few narrow lateral branches, in 1 species dichotomously branched.</span> <span class="statement" id="st-d0_s2" data-properties="stem architecture;stem architecture;stem orientation;tissue architecture"><b>Stems </b>simple, unbranched, upright, with eustelic vascular tissue.</span> <span class="statement" id="st-d0_s3" data-properties="leaf-base shape;leaf-base architecture or fixation;leaf-base architecture;leaf-base fusion;leaf primordium position relational;leaf primordium development"><b>Leaf-</b>bases dilated, clasping, forming sheath, open or fused, surrounding successive leaf primordia;</span> <span class="statement" id="st-d0_s4" data-properties="primordium pubescence;primordium pubescence;hair length or size;hair architecture or arrangement">primordia glabrous or with long, uniseriate hairs.</span> <span class="statement" id="st-d0_s5" data-properties="leaf atypical count;leaf count;leaf reproduction;stalk count;stalk shape;portion reproduction;portion architecture;portion nutrition;portion architecture"><b>Leaves </b>1 (–2) per stem, with common stalk divided into sterile, laminate, photosynthetic portion (trophophore) and fertile, spore-bearing portion (sporophore).</span> <span class="statement" id="st-d0_s6" data-properties="trophophore blade architecture;trophophore blade architecture;trophophore blade architecture;trophophore blade count;vein architecture;vein fusion;vein shape;vein shape;vein shape;vein shape;vein shape;vein shape"><b>Trophophore </b>blades compound to simple, rarely absent, veins anastomosing or free, pinnate, or arranged like ribs of fan.</span> <span class="statement" id="st-d0_s7" data-properties="indument count;indument count;hair arrangement;hair length or size;hair architecture or arrangement"><b>Indument </b>absent or of widely scattered, long, uniseriate hairs, especially on petioles and rachises.</span> <span class="statement" id="st-d0_s8" data-properties="sporophore architecture;sporophore architecture"><b>Sporophores </b>pinnately branched or simple.</span> <span class="statement" id="st-d0_s9" data-properties="sporangium prominence;sporangium position relational;sporangium diameter;sporangium architecture"><b>Sporangia </b>exposed or embedded, 0.5–1.5 mm diam., thick-walled, with thousands of spores.</span> <span class="statement" id="st-d0_s10" data-properties="spore count;spore architecture;spore architecture;surface relief;surface relief;surface architecture or shape;surface fusion;surface fragility;surface arrangement;surface pubescence or relief"><b>Spores </b>all 1 kind, trilete, thick-walled, surface rugate, tuberculate, baculate (with projecting rods usually higher than wide), sometimes joined in delicate network, mostly with ± warty surface.</span> <span class="statement" id="st-d0_s11" data-properties="gametophyte coloration;gametophyte texture;gametophyte shape;gametophyte shape;gametophyte location;gametophyte structure in adjective form"><b>Gametophytes </b>not green, usually fleshy, round or linear, subterranean, mycorrhizal.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennials, terrestrial or epiphytic. <b>Roots</b> lacking root hairs, unbranched or with a few narrow lateral branches, in 1 species dichotomously branched. <b>Stems</b> simple, unbranched, upright, with eustelic vascular tissue. <b>Leaf</b> bases dilated, clasping, forming sheath, open or fused, surrounding successive leaf primordia; primordia glabrous or with long, uniseriate hairs. <b>Leaves</b> 1(–2) per stem, with common stalk divided into sterile, laminate, photosynthetic portion (trophophore) and fertile, spore-bearing portion (sporophore). <b>Trophophore</b> blades compound to simple, rarely absent, veins anastomosing or free, pinnate, or arranged like ribs of fan. <b>Indument</b> absent or of widely scattered, long, uniseriate hairs, especially on petioles and rachises. <b>Sporophores</b> pinnately branched or simple. <b>Sporangia</b> exposed or embedded, 0.5–1.5 mm diam., thick-walled, with thousands of spores. <b>Spores</b> all 1 kind, trilete, thick-walled, surface rugate, tuberculate, baculate (with projecting rods usually higher than wide), sometimes joined in delicate network, mostly with ± warty surface. <b>Gametophytes</b> not green, usually fleshy, round or linear, subterranean, mycorrhizal.</span><!-- |
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_345.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_345.xml |
| − | |gametophyte coloration=not green
| |
| − | |gametophyte location=subterranean
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| − | |gametophyte shape=linear;round
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| − | |gametophyte structure in adjective form=mycorrhizal
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| − | |gametophyte texture=fleshy
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| − | |hair architecture or arrangement=uniseriate;uniseriate
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| − | |hair arrangement=scattered
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| − | |hair length or size=long;long
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| − | |indument count=of widely scattered , long , uniseriate hairs;absent
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| − | |lateral branch count=few
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| − | |lateral branch size or width=narrow
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| − | |leaf atypical count=1;2
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| − | |leaf count=1
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| − | |leaf primordium development=successive
| |
| − | |leaf primordium position relational=surrounding
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| − | |leaf reproduction=fertile
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| − | |leaf-base architecture=open
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| − | |leaf-base architecture or fixation=clasping
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| − | |leaf-base fusion=fused
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| − | |leaf-base shape=dilated
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| − | |plants perennial habitat=epiphytic;terrestrial
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| − | |portion architecture=spore-bearing;laminate
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| − | |portion nutrition=photosynthetic
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| − | |portion reproduction=sterile
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| − | |primordium pubescence=with long , uniseriate hairs;glabrous
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| − | |root architecture=with a few narrow lateral branches;unbranched
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| − | |root hair count=lacking
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| − | |species architecture=branched
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| − | |species count=1
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| − | |sporangium architecture=thick-walled
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| − | |sporangium diameter=0.5mm;1.5mm
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| − | |sporangium position relational=embedded
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| − | |sporangium prominence=exposed
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| − | |spore architecture=thick-walled;trilete
| |
| − | |spore count=1
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| − | |sporophore architecture=simple;branched
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| − | |stalk count=common
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| − | |stalk shape=divided
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| − | |stem architecture=unbranched;simple
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| − | |stem orientation=upright
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| − | |surface architecture or shape=baculate
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| − | |surface arrangement=network
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| − | |surface fragility=delicate
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| − | |surface fusion=joined
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| − | |surface pubescence or relief=warty
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| − | |surface relief=tuberculate;rugate
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| − | |tissue architecture=vascular
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| − | |trophophore blade architecture=compound;simple
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| − | |trophophore blade count=absent
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| − | |vein architecture=anastomosing
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| − | |vein fusion=free
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| − | |vein shape=like;arranged;pinnate;like;arranged;pinnate
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Plants perennials, terrestrial or epiphytic. Roots lacking root hairs, unbranched or with a few narrow lateral branches, in 1 species dichotomously branched. Stems simple, unbranched, upright, with eustelic vascular tissue. Leaf bases dilated, clasping, forming sheath, open or fused, surrounding successive leaf primordia; primordia glabrous or with long, uniseriate hairs. Leaves 1(–2) per stem, with common stalk divided into sterile, laminate, photosynthetic portion (trophophore) and fertile, spore-bearing portion (sporophore). Trophophore blades compound to simple, rarely absent, veins anastomosing or free, pinnate, or arranged like ribs of fan. Indument absent or of widely scattered, long, uniseriate hairs, especially on petioles and rachises. Sporophores pinnately branched or simple. Sporangia exposed or embedded, 0.5–1.5 mm diam., thick-walled, with thousands of spores. Spores all 1 kind, trilete, thick-walled, surface rugate, tuberculate, baculate (with projecting rods usually higher than wide), sometimes joined in delicate network, mostly with ± warty surface. Gametophytes not green, usually fleshy, round or linear, subterranean, mycorrhizal.
Distribution
Nearly worldwide.
Discussion
Ophioglossaceae comprise two clearly defined subfamilies, Botrychioideae and Ophioglossoideae, which are sometimes recognized as distinct families. Ophioglossaceae may be only distantly related to the ferns and more closely related to Marattiales and certain seedplants, especially Cycadales, in such characteristics as stelar type, cork cambium, dilated leaf bases, conduplicate vernation, intercalary leaf growth, collateral leaf traces, circular-bordered pits, eusporangia, massive gametophytes, sunken archegonia, and presence in some species of endoscopic embryos.
(Key to genera of Ophioglossaceae)
Genera 5, species ca. 70–80 (3 genera, 38 species in the flora).
Selected References
None.
Key
| 1
|
Blades mostly pinnately divided or lobed; veins free; margins entire to dentate to lacerate; sporangial clusters pinnately branched, sporangia sessile or terminating short stalks.
|
Botrychium
|
| 1
|
Blades undivided or palmately lobed; veins anastomosing; margins entire; sporangial clusters with sporangia embedded in compact linear spike.
|
> 2
|
| 2
|
Trophophore blades simple, unlobed, to 4.5 cm wide; main areoles mostly less than 6 mm wide; sporophore 1 per leaf at ground level or above ground level, or absent; plants terrestrial.
|
Ophioglossum
|
| 2
|
Trophophore blades palmately lobed, to 30 cm wide; main areoles large, mostly more than 30 mm; sporophores several to many per leaf at base of blade; plants epiphytic.
|
Cheiroglossa
|
