Show Lower Taxa
Difference between revisions of "Poaceae tribe Pappophoreae"
Treatment appears in FNA Volume 25. Treatment on page 285.
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial; rarely annual. <b>Culms</b> herbaceous. <b>Ligules</b> of hairs; blade epidermes with bicellular microhairs. <b>Inflorescences</b> terminal, dense, narrow to somewhat open panicles; disarticulation above the glumes but not between the florets (except in Cottea). <b>Spikelets</b> with 3-10 florets, sometimes only the lowest floret bisexual. <b>Lemmas</b> 5-13-veined, veins extending into awns, often with intermixed hyaline lobes. <b>Caryopses</b> with punctate hila; embryos 1/2 or more as long as the caryopses. <b>x</b> = 10.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial; rarely annual. <b>Culms</b> herbaceous. <b>Ligules</b> of hairs; blade epidermes with bicellular microhairs. <b>Inflorescences</b> terminal, dense, narrow to somewhat open panicles; disarticulation above the glumes but not between the florets (except in <i>Cottea</i>). <b>Spikelets</b> with 3-10 florets, sometimes only the lowest floret bisexual. <b>Lemmas</b> 5-13-veined, veins extending into awns, often with intermixed hyaline lobes. <b>Caryopses</b> with punctate hila; embryos 1/2 or more as long as the caryopses. <b>x</b> = 10.</span><!-- |
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| − | |source xml=https:// | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_931.xml |
|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Pappophoreae | |tribe=Poaceae tribe Pappophoreae | ||
Revision as of 20:39, 16 December 2019
Plants perennial; rarely annual. Culms herbaceous. Ligules of hairs; blade epidermes with bicellular microhairs. Inflorescences terminal, dense, narrow to somewhat open panicles; disarticulation above the glumes but not between the florets (except in Cottea). Spikelets with 3-10 florets, sometimes only the lowest floret bisexual. Lemmas 5-13-veined, veins extending into awns, often with intermixed hyaline lobes. Caryopses with punctate hila; embryos 1/2 or more as long as the caryopses. x = 10.
Discussion
The tribe Pappophoreae includes five genera and approximately 40 species. It is represented in tropical and warm regions around the world.
Selected References
Lower Taxa
Key
| 1 | Spikelets disarticulating above the glumes and between the florets; florets 6-10, the lemmas with both awns and awned teeth, these not forming a pappuslike crown | Cottea |
| 1 | Spikelets disarticulating above the glumes but not between the florets, these falling as a unit; florets 3-6, the lemmas awned but without awned teeth, the awns forming a pappuslike crown. | > 2 |
| 2 | Lower glumes 1-veined; lemma awns scabridulous, not plumose | Pappophorum |
| 2 | Lower glumes 5-7-veined; lemma awns plumose, not scabridulous | Enneapogon |
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