View source for Blechnum ← Blechnum You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Blechnum |accepted_authority=Linnaeus |publications={{Treatment/Publication |title=Sp. Pl. |place=2: 1077. 1753; Gen. Pl. ed. 5, 485, 1754 |year=1754 }} |common_names=Deer ferns |basionyms= |synonyms= |hierarchy=Blechnaceae;Blechnum |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Blechnaceae]]</div><div class="higher-taxon"><small>genus</small>[[Blechnum]]</div></div> |etymology=Greek blechnon, an ancient name for ferns in general |volume=Volume 2 |mention_page= |treatment_page= }}<!-- --><span class="statement" id="st-d0_s0" data-properties="plant growth form or habitat;plant growth form or habitat"><b>Plants </b>terrestrial or rarely on rock.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem orientation;stem orientation;stem orientation;stem size;stem size;stem size;stem growth form"><b>Stems </b>creeping to ascending or erect, slender to stout, sometimes climbing [rarely subarborescent];</span> <span class="statement" id="st-d0_s2" data-properties="scale coloration;scale coloration">scales brown or black.</span> <span class="statement" id="st-d0_s3" data-properties="leaf architecture;leaf growth form;leaf growth form;leaf arrangement"><b>Leaves </b>monomorphic or variously dimorphic, cespitose to scattered.</span> <span class="statement" id="st-d0_s4" data-properties="blade shape;blade architecture;blade architecture;blade architecture"><b>Blades </b>pinnatifid to 1-pinnate, rarely simple or 2-pinnate.</span> <span class="statement" id="st-d0_s5" data-properties="rachis pubescence;rachis pubescence;rachis pubescence;rachis pubescence;rachis pubescence;costa pubescence;costa pubescence;costa pubescence;costa pubescence;costa pubescence"><b>Rachis </b>and costae glabrous, scaly, or hairy abaxially.</span> <span class="statement" id="st-d0_s6" data-properties="vein fusion;vein shape"><b>Veins </b>free, often forked.</span> <span class="statement" id="st-d0_s7" data-properties="sorus architecture;sorus arrangement or course or shape;sorus architecture;commissure architecture;commissure arrangement;costa count"><b>Sori </b>borne on vascular commissures parallel to costae, 1 per side, normally uninterrupted, linear, continuous along length of costa.</span> <span class="statement" id="st-d0_s8" data-properties="perine architecture;perine architecture;perine architecture"><b>Spores </b>with perine smooth to variously winged or rugose.</span> <span class="statement" id="st-d0_s9" data-properties="spore relief;x chromosome count;x chromosome count;x chromosome count;x chromosome count;x chromosome count;x chromosome count">x = 28, 29, 31, 32, 34, 36.</span><!-- -->{{Treatment/Body |distribution=Mostly tropical;especially Southern Hemisphere. |discussion=<p>Species ca. 220 (3 in the flora).</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Leaves strongly dimorphic, fertile leaves notably more erect, longer, and with narrower pinnae than sterile leaves; sterile blades tapering at base. |[[Blechnum spicant|Blechnum spicant]] |-id=key-0-1 |1 |Leaves ± monomorphic, fertile leaves only slightly longer and somewhat contracted relative to sterile leaves; sterile blades ± truncate at base. |[[#key-0-2| > 2]] |-id=key-0-2 |2 |Blades 1-pinnate proximally and pinnatifid distally or pinnatifid nearly throughout, usually less than 50 cm; pinna margins ± entire. |[[Blechnum occidentale var. minor|Blechnum occidentale var. minor]] |-id=key-0-2 |2 |Blades 1-pinnate throughout, usually more than 50 cm; pinna margins ± evenly serrulate. |[[Blechnum serrulatum|Blechnum serrulatum]] |} </div></div><!-- -->{{#Taxon: name=Blechnum |author=Clifton E. Nauman |authority=Linnaeus |rank=genus |parent rank=family |synonyms= |basionyms= |family=Blechnaceae |distribution=Mostly tropical;especially Southern Hemisphere. |reference=None |publication title=Sp. Pl. |publication year=1754 |special status= |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_97.xml |genus=Blechnum |blade architecture=2-pinnate;simple;1-pinnate |blade shape=pinnatifid |commissure architecture=vascular |commissure arrangement=parallel |costa count=1 |costa pubescence=hairy;scaly;hairy;scaly;glabrous |leaf architecture=monomorphic |leaf arrangement=scattered |leaf growth form=cespitose;dimorphic |perine architecture=smooth;variously winged |plant growth form or habitat=rarely;terrestrial |rachis pubescence=hairy;scaly;hairy;scaly;glabrous |scale coloration=black;brown |sorus architecture=continuous;uninterrupted |sorus arrangement or course or shape=linear |spore relief=rugose |stem growth form=climbing |stem orientation=creeping;ascending or erect |stem size=slender;stout |vein fusion=free |vein shape=forked |x chromosome count=36;34;32;31;29;28 }}<!-- -->[[Category:Treatment]][[Category:Blechnaceae]] Templates used on this page: Template:Blechnaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Return to Blechnum.