View source for Hygroryza ← Hygroryza 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=Hygroryza |accepted_authority=Nees |publications= |basionyms= |synonyms= |hierarchy=Poaceae;Poaceae subfam. Ehrhartoideae;Poaceae tribe Oryzeae;Hygroryza |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Ehrhartoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Oryzeae]]</div><div class="higher-taxon"><small>genus</small>[[Hygroryza]]</div></div> |volume=Volume 24 |mention_page= |treatment_page=page 46 }}<!-- --><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>perennial;</span> <span class="statement" id="st-d0_s1" data-properties="culm length or size;culm growth form or location">aquatic, producing long, floating culms;</span> <span class="statement" id="st-d0_s2" data-properties="whole_organism duration;whole_organism growth form or habitat;whole_organism reproduction;whole_organism growth form">synoecious.</span> <span class="statement" id="st-d0_s3" data-properties="culm some measurement;culm texture;adventitiou-root development;adventitiou-root architecture"><b>Culms </b>50-150 cm, spongy, developing adventitious-roots at the nodes, branched;</span> <span class="statement" id="st-d0_s4" data-properties="branch orientation;branch architecture">branches erect, leafy.</span> <span class="statement" id="st-d0_s5" data-properties="leaf position;leaf pubescence;vein coloration or relief"><b>Leaves </b>cauline, glabrous, veins tessellate;</span> <span class="statement" id="st-d0_s6" data-properties="sheath architecture;sheath shape">sheaths open, inflated, serving as floats;</span> <span class="statement" id="st-d0_s7" data-properties="ligule presence;ligule coloration">ligules absent or hyaline;</span> <span class="statement" id="st-d0_s8" data-properties="pseudopetiole presence">pseudopetioles present;</span> <span class="statement" id="st-d0_s9" data-properties="blade shape;blade shape;blade shape;blade shape;blade shape;blade shape">blades elliptic, ovate, ovatelanceolate, or oblong.</span> <span class="statement" id="st-d0_s10" data-properties="inflorescence location"><b>Inflorescences </b>terminal panicles, aerial, lowermost branches whorled;</span> <span class="statement" id="st-d0_s11" data-properties="lowermost branch arrangement">disarticulation beneath the spikelet calluses.</span> <span class="statement" id="st-d0_s12" data-properties="spikelet reproduction;spikelet shape;floret quantity"><b>Spikelets </b>bisexual, laterally compressed, with 1 floret.</span> <span class="statement" id="st-d0_s13" data-properties="glume presence;rim shape"><b>Glumes </b>absent or an annular rim;</span> <span class="statement" id="st-d0_s14" data-properties="callus atypical some measurement;callus some measurement;callus shape;callus pubescence;constriction coloration">calluses (1) 2-10 mm, stipelike, glabrous, junction with the pedicels marked by a tan constriction;</span> <span class="statement" id="st-d0_s15" data-properties="lemma architecture;palea architecture or fixation;apex shape;apex architecture or shape;awn position or structure subtype;awn relief">lemmas 5-veined, margins clasping the paleas, apices acuminate, awned, awns terminal, antrorsely scabridulous;</span> <span class="statement" id="st-d0_s16" data-properties="palea architecture;palea shape;palea shape">paleas similar to the lemmas, 3-veined, 1-keeled, acute-acuminate, unawned;</span> <span class="statement" id="st-d0_s17" data-properties="lodicule quantity;lodicule pubescence">lodicules 2, glabrous;</span> <span class="statement" id="st-d0_s18" data-properties="anther quantity">anthers 6;</span> <span class="statement" id="st-d0_s19" data-properties="style quantity;base fusion;stigma position;stigma shape">styles 2, bases not fused, stigmas laterally exserted, plumose.</span> <span class="statement" id="st-d0_s20" data-properties="caryopse shape;caryopse shape"><b>Caryopses </b>terete, fusiform;</span> <span class="statement" id="st-d0_s21" data-properties="embryo size">embryos small;</span> <span class="statement" id="st-d0_s22" data-properties="hilum arrangement or course or shape;x chromosome quantity">hila linear, almost as long as the embryo, x = 12.</span><!-- -->{{Treatment/Body |discussion=<p>Hygroryza is a monospecific Asian genus that grows in India, Ceylon, and throughout southeast Asia. It forms floating masses, often of considerable extent, in lakes and slow-moving streams, and is sometimes a weed in rice.</p> |tables= |references={{Treatment/Reference |id=bor1960a |text=Bor, NX. 1960. The Grasses of Burma, Ceylon, India and Pakistan (Excluding Bambuseae). International Series of Monographs on Pure and Applied Biology, Division: Botany, vol. 1. Pergamon Press, New York, Oxford, London, and Paris. 767 pp. }}{{Treatment/Reference |id=koyama1987a |text=Koyama, T. 1987. Grasses of Japan and Its Neighboring Regions: An Identification Manual. Kodansha, Ltd., Tokyo, Japan. 370 pp. }}{{Treatment/Reference |id=watson1992a |text=Watson, L. and M.J. Dallwitz. 1992. The Grass Genera of the World. C.A.B. International, Wallingford, England. 1038 pp. }} }}<!-- --><!-- -->{{#Taxon: name=Hygroryza |author=J.K. Wipff; |authority=Nees |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Poaceae |reference=bor1960a;koyama1987a;watson1992a |publication title= |publication year= |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V24/V24_46.xml |subfamily=Poaceae subfam. Ehrhartoideae |tribe=Poaceae tribe Oryzeae |genus=Hygroryza |adventitiou-root architecture=branched |adventitiou-root development=developing |anther quantity=6 |apex architecture or shape=awned |apex shape=acuminate |awn position or structure subtype=terminal |awn relief=scabridulous |base fusion=not fused |blade shape=oblong;ovatelanceolate;oblong;ovatelanceolate;ovate;elliptic |branch architecture=leafy |branch orientation=erect |callus atypical some measurement=1 |callus pubescence=glabrous |callus shape=stipelike |callus some measurement=2mm;10mm |caryopse shape=fusiform;terete |constriction coloration=tan |culm growth form or location=floating |culm length or size=long |culm some measurement=50cm;150cm |culm texture=spongy |embryo size=small |floret quantity=1 |glume presence=absent |hilum arrangement or course or shape=linear |inflorescence location=aerial |leaf position=cauline |leaf pubescence=glabrous |lemma architecture=5-veined |ligule coloration=hyaline |ligule presence=absent |lodicule pubescence=glabrous |lodicule quantity=2 |lowermost branch arrangement=whorled |palea architecture=3-veined |palea architecture or fixation=clasping |palea shape=acute-acuminate;1-keeled |pseudopetiole presence=absent |rim shape=annular |sheath architecture=open |sheath shape=inflated |spikelet reproduction=bisexual |spikelet shape=compressed |stigma position=exserted |stigma shape=plumose |style quantity=2 |vein coloration or relief=tessellate |whole_organism duration=perennial |whole_organism growth form=plant |whole_organism growth form or habitat=aquatic |whole_organism reproduction=synoecious |x chromosome quantity=12 }}<!-- -->[[Category:Treatment]][[Category:Poaceae tribe Oryzeae]] Templates used on this page: Template:Poaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/ID (view source) Template:Treatment/Reference (view source) Return to Hygroryza.