View source for Hygroryza

{{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-undefined" data-properties=""><b>Plants </b>perennial; aquatic, producing long, floating culms; synoecious. <b>Culms</b> 50-150 cm, spongy, developing adventitious roots at the nodes, branched; branches erect, leafy. <b>Leaves</b> cauline, glabrous, veins tessellate; sheaths open, inflated, serving as floats; ligules absent or hyaline; pseudopetioles present; blades elliptic, ovate, ovate-lanceolate, or oblong. <b>Inflorescences</b> terminal panicles, aerial, lowermost branches whorled; disarticulation beneath the spikelet calluses. <b>Spikelets</b> bisexual, laterally compressed, with 1 floret. <b>Glumes</b> absent or an annular rim; calluses (1)2-10 mm, stipelike, glabrous, junction with the pedicels marked by a tan constriction; lemmas 5-veined, margins clasping the paleas, apices acuminate, awned, awns terminal, antrorsely scabridulous; paleas similar to the lemmas, 3-veined, 1-keeled, acute-acuminate, unawned; lodicules 2, glabrous; anthers 6; styles 2, bases not fused, stigmas laterally exserted, plumose. <b>Caryopses</b> terete, fusiform; embryos small; hila linear, almost as long as the embryo, x = 12.</span><!--

-->{{Treatment/Body
|discussion=<p><i>Hygroryza</i> 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://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V24/V24_46.xml
|subfamily=Poaceae subfam. Ehrhartoideae
|tribe=Poaceae tribe Oryzeae
|genus=Hygroryza
}}<!--

-->[[Category:Treatment]][[Category:Poaceae tribe Oryzeae]]