Juncus torreyi

Coville

Bulletin of the Torrey Botanical Club 22:303. 1895

Common names: Torrey's rush
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

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Juncus torreyi"
AuthorRalph E. Brooks* + and Steven E. Clemants* +
AuthorityCoville +
BasionymsJuncus nodosus var. megacephalus +, J.uncus megacephalus + and J.uncus nodosus var. megacephalus +
Common nameTorrey's rush +
DistributionAlta. +, 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). +
Elevation0–600 +
HabitatWet sandy shores, edges of sloughs, along slightly alkaline watercourses, swamps, sometimes on clay soils, calcareous wet meadows, and alkaline soils +
IllustratorYevonn Wilson-Ramsey +
PhenologyFruiting early summer–fall. +
Publication titleBulletin of the Torrey Botanical Club +
Publication year1895 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V22/V22 78.xml +
SynonymsJuncus sect. Septati +
Taxon familyJuncaceae +
Taxon nameJuncus torreyi +
Taxon parentJuncus subg. Septati +
Taxon rankspecies +
VolumeVolume 22 +