Flora of North America species comparison

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Habit

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).

Distribution

Worldwide; coastal in North America

Discussion

Species 9 (4 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Key

1. Capsules 3.5–5 mm; plants of sw United States.	→ 2
1. Capsules less than 3.5 mm, shorter than or nearly equal to perianth; plants of ne United States Atlantic Coast.	→ 3
2. Capsules nearly globose, obviously longer than perianth	J. acutus subsp. leopoldii
2. Capsules ellipsoid, nearly equal to or shorter than perianth	J. cooperi
3. Capsules nearly equal to perianth; seeds tailed	J. maritimus
3. Capsules distinctly shorter than perianth; seed not tailed	J. roemerianus

Source

Parent taxa

Subordinate taxa

Synonyms

J. section Acuti, J. section Juncastrum, J. section Maritimi, J. section Thalassii, J. subg. Juncastrum, J. subg. Thalassii

Name authority

unknown

Web links

Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).

Choose a data source: Flora of North America

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