View source for Thalassia ← Thalassia 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=Thalassia |accepted_authority=Banks & Solander ex K. D. König |publications={{Treatment/Publication |title=Annals of Botany |place=2: 96. 1805 |year=1805 }} |common_names=Turtle-grass |basionyms= |synonyms= |hierarchy=Hydrocharitaceae;Thalassia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Hydrocharitaceae]]</div><div class="higher-taxon"><small>genus</small>[[Thalassia]]</div></div> |etymology=Greek thalass, sea |volume=Volume 22 |mention_page= |treatment_page= }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form"><b>Plants </b>perennial, of marine waters.</span> <span class="statement" id="st-d0_s1" data-properties="rhizome presence"><b>Rhizomes </b>present;</span> <span class="statement" id="st-d0_s2" data-properties="branch architecture;branch orientation;internode quantity">leaf-bearing branches arising from rhizomes at distances of several internodes;</span> <span class="statement" id="st-d0_s3" data-properties="stolon presence">stolons absent.</span> <span class="statement" id="st-d0_s4" data-properties="stem orientation;stem architecture;stem architecture;stem height or length or size"><b>Erect </b>stems rooted in substrate, unbranched, short.</span> <span class="statement" id="st-d0_s5" data-properties="leaf quantity;basal leaf location;basal leaf architecture"><b>Leaves </b>2–6, basal, submersed, sessile;</span> <span class="statement" id="st-d0_s6" data-properties="blade arrangement or course or shape;base shape">blade linear, base tapering to stem;</span> <span class="statement" id="st-d0_s7" data-properties="apex shape">apex obtuse;</span> <span class="statement" id="st-d0_s8" data-properties="">midvein without lacunae along side (s), blade uniform in color throughout;</span> <span class="statement" id="st-d0_s9" data-properties="blade coloration;blade position">abaxial surfacely without prickles;</span> <span class="statement" id="st-d0_s10" data-properties="intravaginal scale architecture or shape">intravaginal scales entire.</span> <span class="statement" id="st-d0_s11" data-properties="inflorescence architecture;inflorescence architecture"><b>Inflorescences </b>1-flowered to cymose, pedunculate;</span> <span class="statement" id="st-d0_s12" data-properties="spathe architecture">spathes not winged.</span> <span class="statement" id="st-d0_s13" data-properties="flower reproduction;flower architecture;flower architecture;flower location;flower architecture"><b>Flowers </b>unisexual, staminate and pistillate on different plants, submersed, short-pedicellate to nearly sessile;</span> <span class="statement" id="st-d0_s14" data-properties="petal presence">petals absent.</span> <span class="statement" id="st-d0_s15" data-properties="flower architecture;filament fusion"><b>Staminate </b>flowers: filaments distinct;</span> <span class="statement" id="st-d0_s16" data-properties="flower architecture;anther arrangement or course or shape">anthers linear;</span> <span class="statement" id="st-d0_s17" data-properties="flower architecture;matrix texture;chain shape">pollen embedded in gelatinous matrix, in moniliform chains.</span> <span class="statement" id="st-d0_s18" data-properties="flower architecture;ovary architecture or structure in adjective form"><b>Pistillate </b>flowers: ovary 1-locular;</span> <span class="statement" id="st-d0_s19" data-properties="flower architecture;style quantity;style shape">styles 6–8, not 2-fid.</span> <span class="statement" id="st-d0_s20" data-properties="fruit shape;fruit architecture;fruit dehiscence;valve quantity;valve architecture or course"><b>Fruits </b>spheric, echinate, dehiscing into 6–8 irregular valves.</span> <span class="statement" id="st-d0_s21" data-properties="seed shape"><b>Seeds </b>pyriform;</span> <span class="statement" id="st-d0_s22" data-properties="seed-coat duration">seed-coat ephemeral.</span><!-- -->{{Treatment/Body |distribution=North America;Central America;Africa;Asia;Australia |discussion=<p>Species 2 (1 in flora).</p> |tables= |references={{Treatment/Reference |id=grey1978a |text=Grey, W. F. and M. D. Moffler. 1978. Flowering of the seagrass Thalassia testudinum (Hydrocharitaceae) in the Tampa Bay, Florida area. Aquatic Bot. 5: 251--259. }}{{Treatment/Reference |id=moffler1981a |text=Moffler, M. D., M. J. Durako, and W. F. Grey. 1981. Observations on the reproductive ecology of Thalassia testudinum (Hydrocharitaceae) in Tampa Bay, Florida. Aquatic Bot. 10: 183--187. }}{{Treatment/Reference |id=moore1963c |text=Moore, D. R. 1963. Distribution of the sea grass, Thalassia, in the United States. Bull. Mar. Sci. Gulf Caribbean 13: 329--342. }}{{Treatment/Reference |id=orpurt1964a |text=Orpurt, P. R. and L. L. Boral. 1964. The flowers and seeds of Thalassia testudinum König. Bull. Mar. Sci. Gulf Caribbean 14: 296--302. }} }}<!-- --><!-- -->{{#Taxon: name=Thalassia |authority=Banks & Solander ex K. D. König |rank=genus |parent rank=family |synonyms= |basionyms= |family=Hydrocharitaceae |distribution=North America;Central America;Africa;Asia;Australia |reference=grey1978a;moffler1981a;moore1963c;orpurt1964a |publication title=Annals of Botany |publication year=1805 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/62857cf6bca5c4637d27b113da92d27dbf9962f4/V22/V22_612.xml |genus=Thalassia |anther arrangement or course or shape=linear |apex shape=obtuse |basal leaf architecture=sessile |basal leaf location=submersed |base shape=tapering |blade arrangement or course or shape=linear |blade coloration=uniform |blade position=abaxial |branch architecture=leaf-bearing |branch orientation=arising |chain shape=moniliform |filament fusion=distinct |flower architecture=pistillate;pistillate;staminate;staminate;staminate;short-pedicellate;nearly sessile |flower location=submersed |flower reproduction=unisexual |fruit architecture=echinate |fruit dehiscence=dehiscing |fruit shape=spheric |inflorescence architecture=pedunculate;1-flowered;cymose |internode quantity=several |intravaginal scale architecture or shape=entire |leaf quantity=2;6 |matrix texture=gelatinous |ovary architecture or structure in adjective form=1-locular |petal presence=absent |rhizome presence=absent |seed shape=pyriform |seed-coat duration=ephemeral |spathe architecture=not winged |stem architecture=unbranched;rooted |stem height or length or size=short |stem orientation=erect |stolon presence=absent |style quantity=6;8 |style shape=not 2-fid |valve architecture or course=irregular |valve quantity=6;8 |whole_organism duration=perennial |whole_organism growth form=plant }}<!-- -->[[Category:Treatment]][[Category:Hydrocharitaceae]] Templates used on this page: Template:Hydrocharitaceae (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 Thalassia.