Juncus greenei

Oakes & Tuckerman
American Journal of Science, and Arts 45:37. 1843.
Common names: Greene's rush
IllustratedEndemic
Treatment appears in FNA Volume 22.

Herbs, perennial, tufted, to 7 dm. Rhizomes short, densely branched. Culms 1–30. Cataphylls 1–2. Leaves basal, (1–)2–3; auricles (0.2–)0.4–0.6 (–0.8) mm, scarious, rarely ± leathery; ; blade dark green, nearly terete, 5–30 cm × 0.4–0.8 mm, margins entire. Inflorescences terminal, 5–50-flowered, usually congested, 1–8 cm; primary bract usually surpassing inflorescence. Flowers: bracteoles 2; tepals dark green or darker, lanceolate, 2.5–4.2 mm; outer and inner series nearly equal, apex acute; stamens 6, filaments 0.5–0.8 mm, anthers 0.5–0.8 mm; style 0.2 mm. Capsules chestnut brown or dark brown, infrequently lighter, 3-locular, ellipsoid, (2.5–)2.9–3.5(–4) × (1.1–)1.5–1.8 mm, slightly exceeding tepals, apex somewhat truncate. Seeds dark tan, ellipsoid to lunate, 0.48–0.65–(0.7) mm, not tailed. 2n = ca. 80.


Phenology: Flowering and fruiting summer.
Habitat: Usually dry, well-drained, sandy soil in pine lands, near lake shores, or among sand dunes and often associated with disturbance

Distribution

V22 7-distribution-map.jpg

N.B., N.S., Ont., P.E.I., Que., Conn., Ill., Ind., Iowa, Maine, Mass., Mich., Minn., N.H., N.J., N.Y., Ohio, Pa., R.I., Vt., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Juncus greenei"
Ralph E. Brooks* +  and Steven E. Clemants* +
Oakes & Tuckerman +
Greene's rush +
N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Conn. +, Ill. +, Ind. +, Iowa +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, Ohio +, Pa. +, R.I. +, Vt. +  and Wis. +
Usually dry, well-drained, sandy soil in pine lands, near lake shores, or among sand dunes and often associated with disturbance +
Flowering and fruiting summer. +
American Journal of Science, and Arts +
Illustrated +  and Endemic +
Juncus sect. Poiophylli +, Juncus subg. Pseudo-tenageia +, Juncus sect. Tenageia +  and Juncus subg. Tenageia +
Juncus greenei +
Juncus subg. Poiophylli +
species +