Difference between revisions of "Gaudinia"
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| − | |discussion=<p>Gaudinia is a weedy genus of four species that are native to the Mediterranean, the Azores, and the Canary Islands. Its inflorescence is reminiscent of some Triticeae; it differs from members of that tribe in its manner of disarticulation and in having compound starch grains in its endosperm. One species has become established in North America.</p> | + | |discussion=<p><i>Gaudinia</i> is a weedy genus of four species that are native to the Mediterranean, the Azores, and the Canary Islands. Its inflorescence is reminiscent of some Triticeae; it differs from members of that tribe in its manner of disarticulation and in having compound starch grains in its endosperm. One species has become established in North America.</p> |
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|references={{Treatment/Reference | |references={{Treatment/Reference | ||
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|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_1035.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Revision as of 20:17, 16 December 2019
Plants annual or perennial. Culms 15-120 cm. Sheaths open; auricles absent; ligules membranous; blades flat. Inflorescences solitary, distichous spikes; disarticulation in the rachis, immediately above the spikelets. Spikelets laterally compressed, sessile, tangential, more or less appressed to the rachis, with 3-11 florets; rachillas glabrous, prolonged beyond the base of the distal fertile floret, terminating in a reduced floret. Glumes 2, unequal, from shorter than to about as long as the spikelets, unawned; calluses blunt, glabrous; lower glumes 3(5)-veined; upper glumes 5-7(11)-veined; lemmas coriaceous, obscurely 7-9-veined, unawned or awned near the apices; paleas shorter than the lemmas; lodicules 2, free, membranous, glabrous, toothed; anthers 3; ovaries pubescent. Caryopses with a terminal tuft of hairs; hila round. x = 7.
Discussion
Gaudinia is a weedy genus of four species that are native to the Mediterranean, the Azores, and the Canary Islands. Its inflorescence is reminiscent of some Triticeae; it differs from members of that tribe in its manner of disarticulation and in having compound starch grains in its endosperm. One species has become established in North America.