Show Lower Taxa
Difference between revisions of "Juncus subg. Alpini"
Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie 17: 1618. 1886.
Synonyms: Aalpini Engelmann [unranked] Juncus sect. Alpini (Engelmann) Vierhapper
Treatment appears in FNA Volume 22.
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|name=Aalpini | |name=Aalpini | ||
|authority=Engelmann [unranked] | |authority=Engelmann [unranked] | ||
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|name=Juncus sect. Alpini | |name=Juncus sect. Alpini | ||
|authority=(Engelmann) Vierhapper | |authority=(Engelmann) Vierhapper | ||
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|publication year=1886 | |publication year=1886 | ||
|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_321.xml |
|genus=Juncus | |genus=Juncus | ||
|subgenus=Juncus subg. Alpini | |subgenus=Juncus subg. Alpini | ||
Revision as of 16:57, 18 September 2019
Herbs, perennial, rhizomatous, usually fresh-water habitats. Stems terete. Leaves basal or cauline; blade terete, channeled, imperfectly septate or not. Inflorescences terminal panicles or racemes of several heads or a single terminal head, sympodial or monopodial; bracteoles absent at base of perianth. Flowers in multiflowered heads. Capsules (1–)3-locular. Seeds long tailed, large.
Distribution
n North America, n Europe, n Asia.
Discussion
Species 724 (4 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Plants strongly rhizomatous | Juncus castaneus |
| 1 | Plants cespitose, rhizomes (if present) short, sparingly branched. | > 2 |
| 2 | Leaves basal and cauline | Juncus stygius var. americanus |
| 2 | Leaves all basal. | > 3 |
| 3 | Primary bract of infloresence much longer than inflorescence | Juncus biglumis |
| 3 | Primary bract of inflorescence nearly equal to or shorter than inflorescence | Juncus triglumis |