Difference between revisions of "Hainardia"
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|distribution=S.C.;Calif.;Oreg.;Tex.;La. | |distribution=S.C.;Calif.;Oreg.;Tex.;La. | ||
| − | |discussion=<p>Hainardia is a monospecific European genus that grows in saline and alkaline soils. It resembles Parapbolis, which also occupies coastal salt marshes, but Parapholis differs in having spikelets with 2 glumes and culms with hollow internodes.</p> | + | |discussion=<p><i>Hainardia</i> is a monospecific European genus that grows in saline and alkaline soils. It resembles Parapbolis, which also occupies coastal salt marshes, but <i>Parapholis</i> differs in having spikelets with 2 glumes and culms with hollow internodes.</p> |
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name=Hainardia | name=Hainardia | ||
| − | |author=James P. Smith; Jr.; | + | |author=James P. Smith;Jr.; |
|authority=Greuter | |authority=Greuter | ||
|rank=genus | |rank=genus | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_976.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Latest revision as of 16:26, 11 May 2021
Plants annual. Culms 5-45 cm, branched above the base; internodes solid. Uppermost sheath open, often partially enclosing the inflorescences; auricles absent; ligules membranous, truncate; blades flat or convolute. Inflorescences single, terminal spikes, cylindrical, with solitary spikelets embedded in and radial to the rachises, the abaxial surface of the upper glumes exposed; disarticulation at the rachis nodes. Spikelets dorsiventrally compressed, with 1-2 florets, second floret reduced and sterile; rachillas sometimes prolonged beyond the base of the distal floret. Lower glumes absent from all but the terminal spikelets; upper glumes coriaceous, stiff, longer and firmer than the lemmas, rigid, 3-7(9)-veined, acute, unawned, sometimes mucronate; lower lemmas membranous, lanceolate, 3(5)-veined, unawned; paleas hyaline; anthers 1-3; lodicules 2, oblique, glabrous, fleshy basally. Caryopses shorter than the lemmas, oblong, somewhat dorsally compressed, with an apical appendage, concealed at maturity; embryos about 1/5 the length of the caryopses; hila short, linear, x = 13.
Distribution
S.C., Calif., Oreg., Tex., La.
Discussion
Hainardia is a monospecific European genus that grows in saline and alkaline soils. It resembles Parapbolis, which also occupies coastal salt marshes, but Parapholis differs in having spikelets with 2 glumes and culms with hollow internodes.