Juncus vaseyi

Engelmann
2:448. 1866.
Common names: Vasey's rush
IllustratedEndemic
Synonyms: Juncus greenei var. vaseyi (Engelmann) B. Boivin
Treatment appears in FNA Volume 22.

Herbs, perennial, tufted, 2–7 dm. Rhizomes densely branching. Culms 1–15(–25). Cataphylls 1–2(–3). Leaves basal, (1–)2–3; auricles 0.2–0.4(–0.6) mm, scarious, rarely ± leathery; blade green, nearly terete, 10–30 cm × 0.5–1 mm, margins entire. Inflorescences terminal, 5–15(–30)-flowered, congested or not, 1–5 cm; primary bract usually much shorter than inflorescence. Flowers: bracteoles 2; tepals greenish to tan, lanceolate or widely so, 3.3–4.4 mm; outer and inner series nearly equal, apex acuminate; stamens 6, filaments 0.5–0.9 mm, anthers 0.4–0.8 mm; style 0.1–0.2 mm. Capsules golden tan or light brown, 3-locular, ellipsoid, (3.3–)3.8–4.7 × (1.1–)1.3–1.7 mm. Seeds tan, ellipsoid to lunate, body (0.52–)5.5–0.65(–0.7) mm, tails 0.2–0.5 mm. 2n = ca. 80.


Phenology: Flowering and fruiting summer–early fall.
Habitat: Permanently moist, usually exposed areas including wet meadows, raised sites or margins of bogs, or depressions along sandy lakeshores
Elevation: 200–1500 m

Distribution

V22 235-distribution-map.jpg

Alta., B.C., Man., N.B., Nfld. and Labr. (Labr.), N.W.T., N.S., Ont., Que., Sask., Colo., Idaho, Ill., Iowa, Maine, Mich., Minn., Mont., N.Dak., N.Y., S.Dak., Vt., Wis., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Juncus vaseyi"
Ralph E. Brooks* +  and Steven E. Clemants* +
Engelmann +
Vasey's rush +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Labr.) +, N.W.T. +, N.S. +, Ont. +, Que. +, Sask. +, Colo. +, Idaho +, Ill. +, Iowa +, Maine +, Mich. +, Minn. +, Mont. +, N.Dak. +, N.Y. +, S.Dak. +, Vt. +, Wis. +  and Wyo. +
200–1500 m +
Permanently moist, usually exposed areas including wet meadows, raised sites or margins of bogs, or depressions along sandy lakeshores +
Flowering and fruiting summer–early fall. +
Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen +
Illustrated +  and Endemic +
Juncus greenei var. vaseyi +
Juncus vaseyi +
Juncus subg. Poiophylli +
species +