Juncus torreyi

Coville
Bulletin of the Torrey Botanical Club 22:303. 1895.
Common names: Torrey's rush
Illustrated
Basionyms: Juncus nodosus var. megacephalus Torrey Fl. New York 2: 326. 1843 J.uncus megacephalus (Torrey) A. W. Wood 1862, J.uncus nodosus var. megacephalus Torrey Fl. New York 2: 326. 1843 J.uncus megacephalus (Torrey) A. W. Wood (1862)
Treatment appears in FNA Volume 22.

Herbs, perennial, rhizomatous, (3–)4–10 dm. Rhizomes 1–3 mm diam., with swollen nodes. Culms erect, terete, 3–5 mm diam., smooth. 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 × 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-colored, occasionally reddish, lanceolate-subulate; outer tepals (3.7–)4–6 mm, apex acuminate; inner tepals (3–) 3.4–4.6 mm, apex 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 throughout or only proximal to middle. Seeds oblong to ellipsoid, 0.4–0.5 mm, not tailed; body clear yellow-brown. 2n = 40.


Phenology: Fruiting early summer–fall.
Habitat: Wet sandy shores, edges of sloughs, along slightly alkaline watercourses, swamps, sometimes on clay soils, calcareous wet meadows, and alkaline soils
Elevation: 0–600

Distribution

V22 78-distribution-map.jpg

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 California, probably elsewhere in n Mexico).

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Juncus torreyi"
Ralph E. Brooks* +  and Steven E. Clemants* +
Coville +
Juncus nodosus var. megacephalus +, J.uncus megacephalus +  and J.uncus nodosus var. megacephalus +
Torrey's rush +
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 California +  and probably elsewhere in n Mexico). +
0–600 +
Wet sandy shores, edges of sloughs, along slightly alkaline watercourses, swamps, sometimes on clay soils, calcareous wet meadows, and alkaline soils +
Fruiting early summer–fall. +
Bulletin of the Torrey Botanical Club +
Illustrated +
Juncus sect. Septati +
Juncus torreyi +
Juncus subg. Septati +
species +