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FNA | Family List | FNA Vol. 22 | Juncaceae

1e. Juncus subg. Juncus

Juncus sect. Acuti Rouy; Juncus sect. Juncastrum Kuntze in Post & Kuntze; Juncus sect. Maritimi (Engelmann) Rouy; Juncus sect. Thalassii (Buchenau) Vierhapper ; Juncus subg. Juncastrum (Kuntze) Kreczetowicz & Gontscharow in Komarov; Juncus subg. Thalassii Buchenau

Herbs, perennial, rhizomatous. Stems terete. Leaves basal; blade terete, not septate. Inflorescences terminal (sometimes appearing lateral) panicles of few to many heads, sympodial; bracteoles absent proximal to perianth. Flowers in few-flowered heads. Capsules 3-locular or pseudo-3-locular. Seeds usually tailed (not tailed in J. roemerianus).

Species 9 (4 in the flora): worldwide; coastal in North America.


S. Snogerup and B. Snogerup 1996??Snogerup, S. 1993. A revision of Juncus subgen. Juncus (Juncaceae). Willdenowia 23: 23--73.

1 Capsules 3.5--5 mm; plants of sw United States.   (2)
+ Capsules less than 3.5 mm, shorter than or nearly equal to perianth; plants of ne United States Atlantic Coast .   (3)
2 (1) Capsules nearly globose, obviously longer than perianth   55a subsp. leopoldii
+ Capsules ellipsoid, nearly equal to or shorter than perianth   57 Juncus cooperi
3 (1) Capsules nearly equal to perianth; seeds tailed   58 Juncus maritimus
+ Capsules distinctly shorter than perianth; seed not tailed   59 Juncus roemerianus


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