View source for Taxodium ← Taxodium 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=Taxodium |accepted_authority=Richard |publications={{Treatment/Publication |title=Ann. Mus. Natl. Hist. Nat. |place=16: 298. 1810 |year=1810 }} |basionyms= |synonyms= |hierarchy=Cupressaceae;Taxodium |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cupressaceae]]</div><div class="higher-taxon"><small>genus</small>[[Taxodium]]</div></div> |etymology=Taxus, generic name of yew, and Greek -oides, like |volume=Volume 2 |mention_page= |treatment_page= }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism duration;whole_organism growth form"><b>Trees </b>deciduous or evergreen.</span> <span class="statement" id="st-d0_s1" data-properties="branchlet shape"><b>Branchlets </b>terete.</span> <span class="statement" id="st-d0_s2" data-properties="knee orientation;knee shape"><b>Lateral </b>roots commonly producing erect, irregularly conic to rounded knees in periodically flooded habitats.</span> <span class="statement" id="st-d0_s3" data-properties="leaf arrangement;rank quantity"><b>Leaves </b>alternate, in 2 ranks or not.</span> <span class="statement" id="st-d0_s4" data-properties="leaf life cycle;leaf arrangement;leaf fixation or orientation;leaf shape;leaf shape;portion fusion;portion some measurement"><b>Adult </b>leaves divergent to strongly appressed, linear or linear-lanceolate to deltate, generally flattened, free portion to ca. 17 mm;</span> <span class="statement" id="st-d0_s5" data-properties="abaxial gland presence">abaxial glands absent.</span> <span class="statement" id="st-d0_s6" data-properties="sporophyll quantity;pollen-sac quantity"><b>Pollen </b>cones with 10–20 sporophylls, each sporophyll with 2–10 pollen-sacs.</span> <span class="statement" id="st-d0_s7" data-properties="seed-cone life cycle;seed-cone shape;season quantity"><b>Seed-</b>cones maturing and shattering in 1 season, nearly globose;</span> <span class="statement" id="st-d0_s8" data-properties="scale life cycle;scale quantity;scale arrangement or dehiscence;scale architecture;scale width;scale texture">scales falling early, 5–10, valvate, ± peltate, thin and woody.</span> <span class="statement" id="st-d0_s9" data-properties="seed atypical quantity;seed quantity;seed shape;seed architecture"><b>Seeds </b>(1–) 2 per scale, irregularly 3-angled, wingless;</span> <span class="statement" id="st-d0_s10" data-properties="">cotyledons 4–9.</span> <span class="statement" id="st-d0_s11" data-properties="cotyledon quantity;x chromosome quantity">x = 11.</span><!-- -->{{Treatment/Body |distribution=North America;Mexico;Central America in Guatemala |discussion=<p>The pollen cones are usually borne at the base of alternate leaves, forming pendent axillary panicles; they occur less commonly singly or in racemes.</p><!-- --><p>Taxodium is variously treated as one to three species but treated here as one polymorphic species with two varieties in the flora. A third taxon tentatively accorded varietal rank--- Taxodium distichum (Linnaeus) Richard var. mexicanum Gordon (= Taxodium mucronatum Tenore)—and recognized by some authors as occurring within our range, appears to differ only in minor phenological characters. Whether or not populations from farther south in Mexico and Guatemala differ sufficiently for formal taxonomic recognition at any rank has yet to be determined.</p><!-- --><p>Species 1(–3) (1 in the flora).</p> |tables= |references={{Treatment/Reference |id=watson1985a |text=Watson, F. D. 1985. The nomenclature of pondcypress and baldcypress. Taxon 34: 506--509. }} }}<!-- --><!-- -->{{#Taxon: name=Taxodium |author=Frank D. Watson |authority=Richard |rank=genus |parent rank=family |synonyms= |basionyms= |family=Cupressaceae |distribution=North America;Mexico;Central America in Guatemala |reference=watson1985a |publication title=Ann. Mus. Natl. Hist. Nat. |publication year=1810 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V2/V2_4.xml |genus=Taxodium |abaxial gland presence=absent |branchlet shape=terete |cotyledon quantity=4;9 |knee orientation=erect |knee shape=irregularly conic;rounded |leaf arrangement=divergent;alternate |leaf fixation or orientation=appressed |leaf life cycle=adult |leaf shape=flattened;linear-lanceolate;deltate |pollen-sac quantity=2;10 |portion fusion=free |portion some measurement=0mm;17mm |rank quantity=2 |scale architecture=peltate |scale arrangement or dehiscence=valvate |scale life cycle=falling |scale quantity=5;10 |scale texture=woody |scale width=thin |season quantity=1 |seed architecture=wingless |seed atypical quantity=1;2 |seed quantity=2 |seed shape=3-angled |seed-cone life cycle=maturing |seed-cone shape=globose |sporophyll quantity=10;20 |whole_organism duration=evergreen;deciduous |whole_organism growth form=tree |x chromosome quantity=11 }}<!-- -->[[Category:Treatment]][[Category:Cupressaceae]] Templates used on this page: Template:Cupressaceae (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) Template:Treatment/Reference (view source) Return to Taxodium.