Juncus greenei

Illustrator: Yevonn Wilson-Ramsey

Copyright: Flora of North America Association

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

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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.