ML070720301

Juncus Torreyi in Flora of North America

ML070720301
Person / Time
Site:	Susquehanna
Issue date:	03/07/2007
From:	- No Known Affiliation
To:	Office of Nuclear Reactor Regulation
ALICIA MULLINS 301-415-1224
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Juncus torreyi in Flora of North America @ efloras.org All Floras Advanced Search FNA Vol. 22 Login l eFloras Home l Help FNA l Family List l FNA Vol. 22 l Juncaceae l Juncus 81. Juncus torreyi Coville, Bulletin of the Torrey Botanical Club. 22:303. 1895.

Torrey's rush Juncus nodosus Linnaeus var. megacephalus Torrey, Fl. New York 2: 326. 1843; J.uncus megacephalus (Torrey) A. W. Wood 1862, not M. A. Curtis 1835 ; J. nodosus Linnaeus var. megacephalus Torrey, Fl. New York 2: 326. 1843; J. megacephalus (Torrey) A. W. Wood (1862), not M. A. Curtis (1835)

Herbs, perennial, rhizomatous, (3--)4--10 dm. Rhizomes 1--3 mm diam., with swollen nodes. Culms erect, terete, 3--5 mm diam., sm ooth. Cataphylls 0. Leaves: basal 1--3, cauline 2--5, auricles 1--4 mm, apex rounded, scarious; blade strawberry-colored, green, or pink, terete, 13--30 cm *x 1--5 mm. Inflorescences terminal clusters of 1--23 heads or single heads, 2--5.5 cm, branches spreading; primary bract erect to ascending; heads 25--100-flowered, globose, 10--15 mm diam. Flowers: tepals green to straw-col ored, occasionally reddish, lanceolate-subulate; outer tepals (3.7--)4--6 mm, apex acuminate; inner tepals (3--) 3.4--4.6 mm, ap ex acuminate; stamens 6, anthers 1/2 filament length. Capsules equaling perianth or slightly exserted, straw-colored or chestnut

brown, 1-locular, lance-subulate, 4.3--5.7 mm, apex tapering to subulate tip, valves separating at dehiscence, fertile throughou t or only proximal to middle. Seeds oblong to ellipsoid, 0.4--0.5 mm, not tailed; body clear yellow-brown. 2n = 40.

Fruiting early summer--fall. Wet sandy shores, edges of sloughs, along slightly alkaline watercourses, swamps, sometimes on clay soils, calcareous wet meadows, and alkaline soils; 0--600; Alta., B.C., Man., N.B., Ont., Que., Sask.; Ala., Ariz., Ark., Calif

., Colo., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.Dak., Ohio, Okla., Oreg., Pa., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.; Mexico (Baja Califor nia, probably elsewhere in n Mexico).

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