Difference between revisions of "Hygroryza aristata"
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| − | |discussion=<p>Hygroryza aristata is native to tropical Asia, where it has occasionally been used as forage for cattle (Bor 1960). It is sold for ponds and aquaria, where its long, feathery, adventitious roots have a decorative effect, but it has the potential to become a significant weed problem in the southern United States.</p> | + | |discussion=<p><i>Hygroryza aristata</i> is native to tropical Asia, where it has occasionally been used as forage for cattle (Bor 1960). It is sold for ponds and aquaria, where its long, feathery, adventitious roots have a decorative effect, but it has the potential to become a significant weed problem in the southern United States.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Hygroryza aristata | name=Hygroryza aristata | ||
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|authority=(Retz.) Nees | |authority=(Retz.) Nees | ||
|rank=species | |rank=species | ||
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|family=Poaceae | |family=Poaceae | ||
|illustrator=Sandy Long | |illustrator=Sandy Long | ||
| + | |illustration copyright=Utah State University | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V24/V24_47.xml |
|subfamily=Poaceae subfam. Ehrhartoideae | |subfamily=Poaceae subfam. Ehrhartoideae | ||
|tribe=Poaceae tribe Oryzeae | |tribe=Poaceae tribe Oryzeae | ||
Revision as of 21:21, 16 December 2019
Culms 50-150 cm, floating, branched, flexuous; nodes rooting, roots feathery, whorled. Sheaths glabrous, open, inflated; ligules absent or 0.5-0.8 mm, hyaline, truncate; pseudopetioles shorter than 1 mm; blades 2-8 cm long, 5-20 mm wide, flat, bases rounded to cordate, apices blunt to rounded. Panicles 3-8 cm, pyramidal, with 4-9 branches; lower branches 2-4 cm, whorled, spreading or deflexed, glabrous; pedicels 0.2-2 mm, sometimes absent. Florets (6)7-18 mm (including the stipelike callus), narrowly lanceolate; calluses (1)2-10 mm, stipelike; lemmas 5-8 mm, chartaceous, keeled, veins and margins with hairs, glabrous or pubescent between the veins, awns 5-14 mm; paleas as long as the lemmas, chartaceous, glabrous, keels ciliate or scabrous; anthers 6, about 3.5 mm. Caryopses about 3.5 mm. 2n = 24.
Discussion
Hygroryza aristata is native to tropical Asia, where it has occasionally been used as forage for cattle (Bor 1960). It is sold for ponds and aquaria, where its long, feathery, adventitious roots have a decorative effect, but it has the potential to become a significant weed problem in the southern United States.
Selected References
None.