Juncus scirpoides

Lamarck in J. Lamarck et al.

in J. Lamarck et al.,Encycl. 3: 267. 1789.

Common names: Scirpuslike rush
Synonyms: Juncus echinatus MuhlenbergJuncus scirpoides var. compositus HarperJuncus scirpoides var. genuinus BuchenauJuncus scirpoides var. macrostemon EngelmannJuncus scirpoides var. meridionalis Buchenau
Treatment appears in FNA Volume 22.
Revision as of 02:23, 27 July 2019 by FNA>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Herbs, perennial, rhizomatous, tosometimes nearly cespitose, 0.8–7 dm. Rhizomes usually tuberous, 2–4 mm diam. Culms erect, terete, 1–3 mm diam., smooth. Cataphylls 0–1. Leaves: basal 1–2, cauline 2–3, green; auricles 1–2 mm, apex rounded, membranaceous; blade terete, 2–23 cm × 1–2 mm, distal cauline leaf blade 1.6–26 cm, equaling or longer than sheath. Inflorescences terminal panicles of 1–23(–32) heads, 2.5–9 cm, branches ascending to erect; primary bracts erect; heads 20–60-flowered, spheric or usually lobed, 6–11 mm diam. Flowers: tepals green to straw-colored, lance-subulate, 2–3.5 mm, nearly equal, apex acuminate; stamens 3, anthers 1/3 filament length. Capsules exserted, straw-colored, 1-locular, lance-subulate, 3–4 mm, apex tapering, remaining attached at tip, valves not separating at dehiscence, fertile throughout or only proximal to middle. Seeds oblong, 0.4 mm, not tailed; body clear yellow-brown.


Phenology: Fruiting early summer–fall.
Habitat: Wet sandy soil, salt marshes, lake shores, ditches, meadows, wet woods
Elevation: 0–1400 m

Distribution

V22 207-distribution-map.jpg

Ala., Ark., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mich., Miss., Mo., Nebr., N.J., N.Y., N.C., Okla., Pa., S.C., Tenn., Tex., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Juncus scirpoides"
Ralph E. Brooks* +  and Steven E. Clemants* +
Lamarck in J. Lamarck et al. +
Scirpuslike rush +
Ala. +, Ark. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Mich. +, Miss. +, Mo. +, Nebr. +, N.J. +, N.Y. +, N.C. +, Okla. +, Pa. +, S.C. +, Tenn. +, Tex. +, Va. +  and W.Va. +
0–1400 m +
Wet sandy soil, salt marshes, lake shores, ditches, meadows, wet woods +
Fruiting early summer–fall. +
in J. Lamarck et al.,Encycl. +
Juncus echinatus +, Juncus scirpoides var. compositus +, Juncus scirpoides var. genuinus +, Juncus scirpoides var. macrostemon +  and Juncus scirpoides var. meridionalis +
Juncus scirpoides +
Juncus subg. Septati +
species +