Difference between revisions of "Juncus subg. Genuini"
Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen 4: 406. 1875.
Synonyms: Juncus sect. Genuini (Buchenau) Dumortier Juncus sect. Juncotypus Dumortier Juncus subg. Juncotypus (Dumortier) Kreczetowicz & Gontscharow
Treatment appears in FNA Volume 22.
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|authority=(Buchenau) Dumortier | |authority=(Buchenau) Dumortier | ||
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|name=Juncus sect. Juncotypus | |name=Juncus sect. Juncotypus | ||
|authority=Dumortier | |authority=Dumortier | ||
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|name=Juncus subg. Juncotypus | |name=Juncus subg. Juncotypus | ||
|authority=(Dumortier) Kreczetowicz & Gontscharow | |authority=(Dumortier) Kreczetowicz & Gontscharow | ||
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, rhizomatous. <b>Culms</b> terete. <b>Leaves</b> basal; blade usually absent, rarely present (J. hallii and J. parryi), if present terete, channeled, not septate. <b>Inflorescences</b> lateral cymes, sympodial; bracts erect, terete, appearing to be continuation of culms; bracteoles 2, at base of perianth. <b>Flowers</b> borne singly, not in heads. <b>Capsules</b> 3-locular. <b>Seeds</b> usually not tailed.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, rhizomatous. <b>Culms</b> terete. <b>Leaves</b> basal; blade usually absent, rarely present (<i>J. hallii</i> and <i>J. parryi</i>), if present terete, channeled, not septate. <b>Inflorescences</b> lateral cymes, sympodial; bracts erect, terete, appearing to be continuation of culms; bracteoles 2, at base of perianth. <b>Flowers</b> borne singly, not in heads. <b>Capsules</b> 3-locular. <b>Seeds</b> usually not tailed.</span><!-- |
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|publication year=1875 | |publication year=1875 | ||
|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/V22/V22_340.xml |
|genus=Juncus | |genus=Juncus | ||
|subgenus=Juncus subg. Genuini | |subgenus=Juncus subg. Genuini | ||
Revision as of 15:57, 18 September 2019
Herbs, perennial, rhizomatous. Culms terete. Leaves basal; blade usually absent, rarely present (J. hallii and J. parryi), if present terete, channeled, not septate. Inflorescences lateral cymes, sympodial; bracts erect, terete, appearing to be continuation of culms; bracteoles 2, at base of perianth. Flowers borne singly, not in heads. Capsules 3-locular. Seeds usually not tailed.
Distribution
Worldwide.
Discussion
Species ca. 25 (11 in the flora).
Selected References
Lower Taxa
Key
| 1 | Flowers 1–3(–5); seeds tailed. | > 2 |
| 1 | Flowers more than 5. | > 4 |
| 2 | Leaf blade reduced to bristle | Juncus drummondii |
| 2 | Leaf blade well developed. | > 3 |
| 3 | Perianth 6–9 mm; capsules oblong, acute | Juncus parryi |
| 3 | Perianth 4–5 mm; capsules ovoid, retuse | Juncus hallii |
| 4 | Culms well spaced along sparingly branched creeping rhizomes. | > 5 |
| 4 | Culms tufted on short, densely branching rhizomes. | > 8 |
| 5 | Anthers shorter than filaments; tepals greenish; capsules green to light brown | Juncus filiformis |
| 5 | Anthers equal to or longer than filaments. | > 6 |
| 6 | Fruits acute. | > 7 |
| 6 | Fruits obtuse | Juncus textilis |
| 7 | Perianth usually 3–6 mm | Juncus arcticus |
| 7 | Perianth (5–)6–8 mm | Juncus lesueurii |
| 8 | Stamens 3 | Juncus effusus |
| 8 | Stamens 6. | > 9 |
| 9 | Plants cespitose, stooling; capsules 3–4 mm | Juncus inflexus |
| 9 | Plants cespitose, not stooling; capsules less than 3 mm. | > 10 |
| 10 | Perianth much shorter than capsule; seeds 0.7–1 mm | Juncus gymnocarpus |
| 10 | Perianth equal to or exceeding capsule; seeds 0.4–0.5 mm | Juncus patens |