Difference between revisions of "Eleusine coracana"
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|distribution=S.C.;Calif. | |distribution=S.C.;Calif. | ||
| − | |discussion=<p>Eleusine coracana is an allotetraploid, one of its genomes being derived from E. indica.</p><!-- | + | |discussion=<p><i>Eleusine coracana</i> is an allotetraploid, one of its genomes being derived from <i>E. indica</i>.</p><!-- |
| − | --><p>Two subspecies are recognized; only subsp. coracana is known from North America.</p> | + | --><p>Two subspecies are recognized; only <i></i>subsp.<i> coracana</i> is known from North America.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V25/V25_176.xml |
|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Revision as of 17:32, 18 September 2019
Plants annual. Culms to 62 cm, often branching; lower internodes 6-10 mm thick. Sheaths glabrous; ligules 1-2 mm, ciliate, with 1-2 mm hairs; blades 10-60 cm long, 6-12 mm wide, sometimes longer than the culms, adaxial surfaces scabrous or pubescent. Panicles subdigitate, with 4-20 branches, 1(2) of the branches attached below the terminal cluster; branches 4-17 cm long, 5-15 mm wide, spreading at maturity. Spikelets 5-9 mm long, 3-6 mm wide, with 2-9 florets, sometimes not disarticulating at maturity. Lower glumes 1.2-3 mm, 2- or 3-veined; upper glumes 2.2-6.5 mm; lemmas 2.2-5 mm; anthers about 1 mm. Seeds oblong-globose, granular, usually exposed at maturity. 2n = 36.
Distribution
S.C., Calif.
Discussion
Eleusine coracana is an allotetraploid, one of its genomes being derived from E. indica.
Two subspecies are recognized; only subsp. coracana is known from North America.
Selected References
None.
Key
| 1 | Seeds almost globose, the surface granular to smooth; florets not disarticulating | Eleusine coracana subsp. coracana |
| 1 | Seeds oblong, the surface shallowly ridged and uniformly granular; florets disarticulating at maturity | Eleusine coracana subsp. africana |