View source for Didiplis ← Didiplis 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=Didiplis |accepted_authority=Rafinesque |publications={{Treatment/Publication |title=Atlantic J. |place=1: 177. 1833 |year=1833 }} |common_names=Water purslane or starwort |basionyms= |synonyms= |hierarchy=Lythraceae;Didiplis |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Lythraceae]]</div><div class="higher-taxon"><small>genus</small>[[Didiplis]]</div></div> |etymology=Derivation uncertain; Greek dis, twice, and diploos, double, possibly alluding to 2 stamens in 4-merous floral tube, or to 2-stamened Didiplis, segregated from 6-stamened Peplis |volume=Volume 10 |mention_page= |treatment_page= }}<!-- --><span class="statement" id="st-d0_s0" data-properties="herb duration;herb duration;herb duration;herb habitat;herb habitat;herb some measurement;herb pubescence"><b>Herbs,</b> annual or short-lived perennial, aquatic or amphibious, 0.5–4 dm, glabrous throughout.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem growth form or orientation;stem location;stem location;stem location;stem location;stem architecture;stem architecture"><b>Stems </b>erect, creeping, floating, or submerged, irregularly branched, frequently rooting at nodes when submerged.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>usually opposite, sometimes subalternate or whorled, dimorphic;</span> <span class="statement" id="st-d0_s3" data-properties="leaf arrangement;leaf arrangement;leaf arrangement;leaf growth form;leaf architecture;leaf architecture">sessile or subsessile;</span> <span class="statement" id="st-d0_s4" data-properties="blade arrangement or course or shape;blade shape;blade shape;blade shape;base architecture or shape;base shape">blade linear when submerged, narrowly elliptic to lanceolate when aerial, base truncate when submerged, tapered when aerial.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence development;flower architecture or arrangement or growth form;flower position;flower arrangement"><b>Inflorescences </b>indeterminate, flowers solitary, axillary, opposite.</span> <span class="statement" id="st-d0_s6" data-properties="flower architecture;flower architecture"><b>Flowers </b>sessile, actinomorphic, monostylous;</span> <span class="statement" id="st-d0_s7" data-properties="floral-tube position;floral-tube shape">floral-tube perigynous, broadly campanulate;</span> <span class="statement" id="st-d0_s8" data-properties="epicalyx segment presence">epicalyx segments absent;</span> <span class="statement" id="st-d0_s9" data-properties="sepal quantity;sepal shape;sepal quantity">sepals 4, broadly deltate, 1/2 floral-tube length;</span> <span class="statement" id="st-d0_s10" data-properties="petal presence">petals 0;</span> <span class="statement" id="st-d0_s11" data-properties="nectariferous tissue presence">nectariferous tissue present at ovary-floral tube junction;</span> <span class="statement" id="st-d0_s12" data-properties="stamen quantity">stamens 2–4;</span> <span class="statement" id="st-d0_s13" data-properties="ovary architecture or structure in adjective form">ovary 2-locular;</span> <span class="statement" id="st-d0_s14" data-properties="placenta shape">placenta globose;</span> <span class="statement" id="st-d0_s15" data-properties="style fragility;style height or length or size">style sturdy, relatively short;</span> <span class="statement" id="st-d0_s16" data-properties="stigma architecture or shape">stigma capitate.</span> <span class="statement" id="st-d0_s17" data-properties="wall width;wall condition or texture;wall dehiscence;wall architecture or dehiscence"><b>Fruits </b>capsules, walls thin and dry, indehiscent, splitting irregularly.</span> <span class="statement" id="st-d0_s18" data-properties="seed quantity;seed shape;seed shape;seed shape;seed shape"><b>Seeds </b>ca. 25, narrowly obovoid to fusiform, slightly convex-concave;</span> <span class="statement" id="st-d0_s19" data-properties="cotyledon shape">cotyledons ± complanate.</span><!-- -->{{Treatment/Body |distribution=c;e United States |discussion=<p>Species 1.</p><!-- --><p>Didiplis is easily overlooked due to its undistinguished aspect. In the past it has been included in Ammannia, Lythrum, and Peplis. Molecular evidence now strongly supports the sister relationship of Didiplis to Rotala (J. A. Morris et al. 2007).</p> |tables= |references= }}<!-- --><!-- -->{{#Taxon: name=Didiplis |author=Shirley A. Graham |authority=Rafinesque |rank=genus |parent rank=family |synonyms= |basionyms= |family=Lythraceae |distribution=c;e United States |reference=None |publication title=Atlantic J. |publication year=1833 |special status= |source xml= |genus=Didiplis |base architecture or shape=truncate |base shape=tapered |blade arrangement or course or shape=linear |blade shape=narrowly elliptic;lanceolate |cotyledon shape=complanate |epicalyx segment presence=absent |floral-tube position=perigynous |floral-tube shape=campanulate |flower architecture=actinomorphic;sessile |flower architecture or arrangement or growth form=solitary |flower arrangement=opposite |flower position=axillary |herb duration=perennial;short-lived;annual |herb habitat=amphibious;aquatic |herb pubescence=glabrous |herb some measurement=0.5dm;4dm |inflorescence development=indeterminate |leaf architecture=subsessile;sessile |leaf arrangement=whorled;subalternate;opposite |leaf growth form=dimorphic |nectariferous tissue presence=absent |ovary architecture or structure in adjective form=2-locular |petal presence=absent |placenta shape=globose |seed quantity=25 |seed shape=convex-concave;narrowly obovoid;fusiform |sepal quantity=1/2;4 |sepal shape=deltate |stamen quantity=2;4 |stem architecture=rooting;branched |stem growth form or orientation=creeping |stem location=submerged;floating;submerged;floating |stem orientation=erect |stigma architecture or shape=capitate |style fragility=sturdy |style height or length or size=short |wall architecture or dehiscence=splitting |wall condition or texture=dry |wall dehiscence=indehiscent |wall width=thin }}<!-- -->[[Category:Treatment]][[Category:Lythraceae]] Templates used on this page: Template:Lythraceae (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 Didiplis.