Juncus subg. Alpini

BUCHENAU(Engelmann) Buchenau

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.

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.

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
... more about "Juncus subg. Alpini"
Ralph E. Brooks* +  and Steven E. Clemants* +
BUCHENAU(Engelmann) Buchenau +
n North America +, n Europe +  and n Asia. +
Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie +
Aalpini +  and Juncus sect. Alpini +
Juncus subg. Alpini +
subgenus +