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| − | --><span class="statement" id="st-d0_s0" data-properties="plant growth form or habitat"><b>Plants </b>terrestrial.</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form or orientation;stolon count"><b>Stems </b>creeping, stolons absent.</span> <span class="statement" id="st-d0_s2" data-properties="leaf growth form;leaf reproduction;leaf height or length or size;leaf condition or size;leaf duration;leaf count;leaf reproduction;leaf condition"><b>Leaves </b>strongly dimorphic, fertile leaves usually shorter, greatly contracted, persistent 2–3 years, sterile leaves dying back in winter.</span> <span class="statement" id="st-d0_s3" data-properties="petiole length;leaf reproduction;petiole length;leaf reproduction;base shape;base duration"><b>Petiole </b>of sterile leaf ca. 1–1.5 times length of blade, petiole of fertile leaf 2–6 times length of blade, bases swollen and persisting as trophopods over winter;</span> <span class="statement" id="st-d0_s4" data-properties="vascular-bundle count;vascular-bundle position;vascular-bundle shape">vascular-bundles 2, lateral, lunate in cross-section.</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;blade shape;blade shape;blade shape;blade size;blade shape;blade texture;blade texture;blade texture;leaf reproduction;blade shape;blade architecture or shape;blade texture;leaf reproduction"><b>Blade </b>of sterile leaf deltate, pinnatifid to pinnate-pinnatifid proximally, reduced and shallowly pinnatifid distally, herbaceous to papery, blade of fertile leaf linear-oblong, 2-pinnate, leathery.</span> <span class="statement" id="st-d0_s6" data-properties="pinna architecture;segment margin shape;segment margin shape;segment margin shape;segment margin shape;blade reproduction;margin shape or vernation;pinnule reproduction;structure texture;structure shape"><b>Pinnae </b>not articulate to rachis, segment margins of sterile blades entire to sinuate or shallowly lobed, margins of fertile pinnules strongly revolute and forming hardened beadlike structures;</span> <span class="statement" id="st-d0_s7" data-properties="proximal pinna size;proximal pinna size;proximal pinna architecture;proximal pinna fusion;proximal pinna architecture or shape">proximal pinnae largest or nearly so, sessile or adnate, equilateral;</span> <span class="statement" id="st-d0_s8" data-properties="costa prominence or shape">costae adaxially flat;</span> <span class="statement" id="st-d0_s9" data-properties="scale shape;scale shape;scale shape;hair architecture">indument on both sides of linear to lanceolate scales and/or multicellular hairs on rachis and costae.</span> <span class="statement" id="st-d0_s10" data-properties="vein architecture or coloration or relief;areole count;leaf reproduction;vein fusion;leaf reproduction"><b>Veins </b>reticulate with areoles lacking included veinlets in sterile leaves, veins free in fertile leaves.</span> <span class="statement" id="st-d0_s11" data-properties="sorus shape;margin shape or vernation"><b>Sori </b>covered by strongly revolute margins of pinnae, ± round;</span> <span class="statement" id="st-d0_s12" data-properties="indusium prominence;indusium shape;indusium duration;leaf life cycle">indusia vestigial, triangular, persistent but not easily seen in mature leaves.</span> <span class="statement" id="st-d0_s13" data-properties="fold count;fold position;element count;element size;element shape"><b>Spores </b>greenish, with a few low folds and numerous, minute, echinate-cristate elements.</span> <span class="statement" id="st-d0_s14" data-properties="spore coloration;x chromosome count">x = 37.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>terrestrial. <b>Stems</b> creeping, stolons absent. <b>Leaves</b> strongly dimorphic, fertile leaves usually shorter, greatly contracted, persistent 2–3 years, sterile leaves dying back in winter. <b>Petiole</b> of sterile leaf ca. 1–1.5 times length of blade, petiole of fertile leaf 2–6 times length of blade, bases swollen and persisting as trophopods over winter; vascular bundles 2, lateral, lunate in cross section. <b>Blade</b> of sterile leaf deltate, pinnatifid to pinnate-pinnatifid proximally, reduced and shallowly pinnatifid distally, herbaceous to papery, blade of fertile leaf linear-oblong, 2-pinnate, leathery. <b>Pinnae</b> not articulate to rachis, segment margins of sterile blades entire to sinuate or shallowly lobed, margins of fertile pinnules strongly revolute and forming hardened beadlike structures; proximal pinnae largest or nearly so, sessile or adnate, equilateral; costae adaxially flat; indument on both sides of linear to lanceolate scales and/or multicellular hairs on rachis and costae. <b>Veins</b> reticulate with areoles lacking included veinlets in sterile leaves, veins free in fertile leaves. <b>Sori</b> covered by strongly revolute margins of pinnae, ± round; indusia vestigial, triangular, persistent but not easily seen in mature leaves. <b>Spores</b> greenish, with a few low folds and numerous, minute, echinate-cristate elements. <b>x</b> = 37.</span><!-- |
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| | |publication year=1754 | | |publication year=1754 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_636.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_636.xml |
| | |genus=Onoclea | | |genus=Onoclea |
| − | |areole count=lacking
| |
| − | |base duration=persisting
| |
| − | |base shape=swollen
| |
| − | |blade architecture or shape=2-pinnate
| |
| − | |blade reproduction=sterile
| |
| − | |blade shape=linear-oblong;pinnatifid;pinnatifid;pinnate-pinnatifid
| |
| − | |blade size=reduced
| |
| − | |blade texture=leathery;herbaceous;papery
| |
| − | |costa prominence or shape=flat
| |
| − | |element count=numerous
| |
| − | |element shape=echinate-cristate
| |
| − | |element size=minute
| |
| − | |fold count=few
| |
| − | |fold position=low
| |
| − | |hair architecture=multicellular
| |
| − | |indusium duration=persistent
| |
| − | |indusium prominence=vestigial
| |
| − | |indusium shape=triangular
| |
| − | |leaf condition=dying
| |
| − | |leaf condition or size=contracted
| |
| − | |leaf count=2;3
| |
| − | |leaf duration=persistent
| |
| − | |leaf growth form=dimorphic
| |
| − | |leaf height or length or size=shorter
| |
| − | |leaf life cycle=mature
| |
| − | |leaf reproduction=fertile;sterile;fertile;sterile;fertile;sterile;sterile;fertile
| |
| − | |margin shape or vernation=revolute;revolute
| |
| − | |petiole length=2-6 times length of blade;1-1.5 times length of blade
| |
| − | |pinna architecture=not articulate
| |
| − | |pinnule reproduction=fertile
| |
| − | |plant growth form or habitat=terrestrial
| |
| − | |proximal pinna architecture=sessile
| |
| − | |proximal pinna architecture or shape=equilateral
| |
| − | |proximal pinna fusion=adnate
| |
| − | |proximal pinna size=nearly;largest
| |
| − | |scale shape=linear;lanceolate
| |
| − | |segment margin shape=entire;sinuate or shallowly lobed
| |
| − | |sorus shape=round
| |
| − | |spore coloration=greenish
| |
| − | |stem growth form or orientation=creeping
| |
| − | |stolon count=absent
| |
| − | |structure shape=beadlike
| |
| − | |structure texture=hardened
| |
| − | |vascular-bundle count=2
| |
| − | |vascular-bundle position=lateral
| |
| − | |vascular-bundle shape=lunate
| |
| − | |vein architecture or coloration or relief=reticulate
| |
| − | |vein fusion=free
| |
| − | |x chromosome count=37
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| | -->[[Category:Treatment]][[Category:Dryopteridaceae]] | | -->[[Category:Treatment]][[Category:Dryopteridaceae]] |
Plants terrestrial. Stems creeping, stolons absent. Leaves strongly dimorphic, fertile leaves usually shorter, greatly contracted, persistent 2–3 years, sterile leaves dying back in winter. Petiole of sterile leaf ca. 1–1.5 times length of blade, petiole of fertile leaf 2–6 times length of blade, bases swollen and persisting as trophopods over winter; vascular bundles 2, lateral, lunate in cross section. Blade of sterile leaf deltate, pinnatifid to pinnate-pinnatifid proximally, reduced and shallowly pinnatifid distally, herbaceous to papery, blade of fertile leaf linear-oblong, 2-pinnate, leathery. Pinnae not articulate to rachis, segment margins of sterile blades entire to sinuate or shallowly lobed, margins of fertile pinnules strongly revolute and forming hardened beadlike structures; proximal pinnae largest or nearly so, sessile or adnate, equilateral; costae adaxially flat; indument on both sides of linear to lanceolate scales and/or multicellular hairs on rachis and costae. Veins reticulate with areoles lacking included veinlets in sterile leaves, veins free in fertile leaves. Sori covered by strongly revolute margins of pinnae, ± round; indusia vestigial, triangular, persistent but not easily seen in mature leaves. Spores greenish, with a few low folds and numerous, minute, echinate-cristate elements. x = 37.
Distribution
Temperate regions in Northern Hemisphere, Asia.
Discussion
Onoclea is one of several genera known to store starch grains in long-persistent petiole bases (trophopods) (W. H. Wagner Jr. and D. M. Johnson 1983).
Species 1 (1 in the flora).
Selected References
None.