Juncus interior

Wiegand
Bulletin of the Torrey Botanical Club 27: 516. 1900.
Common names: Interior rush
IllustratedEndemic
Synonyms: Juncus arizonicus Wiegand Juncus interior var. arizonicus (Wiegand) F. J. Hermann Juncus interior var. neomexicanus (Wiegand) F. J. Hermann Juncus monostichus Juncus neomexicanus
Treatment appears in FNA Volume 22.

Herbs, perennial, tufted, 2–6 dm. Rhizomes densely branching. Culms 1–10. Cataphylls 1–3. Leaves basal, 1–2(–3); auricles whitish or purplish tinged, 0.2–0.4(–0.6) mm, scarious; blade flat, 5–15 cm × 0.5–1.1 mm, margins entire. Inflorescences usually somewhat compact, 1.5–7 cm; primary bract usually shorter than inflorescence. Flowers: bracteoles 2; tepals greenish, lanceolate, 3.3–4.4 mm, apex acuminate; stamens 6, filaments 0.5–0.9 mm, anthers 0.4–0.6 mm; style 0.1–0.2 mm. Capsules light tan or darker, 1-locular to pseudo-3-locular, ellipsoid to nearly globose, (3.3–)3.8–4.7 mm, nearly equal to or longer than tepals. Seeds tan, ellipsoid to lunate, 0.436–0.73 mm, not tailed. 2n = 80.


Phenology: Flowering and fruiting late spring–early summer.
Habitat: Dry, often upland sites in prairies, exposed disturbed sites, and ditches in sandy or clayey soils

Distribution

V22 622-distribution-map.jpg

Alta., Man., Ont., Que., Sask., Ariz., Ark., Colo., Ill., Ind., Iowa, Kans., Ky., La., Minn., Mont., Mo., Nebr., N.Mex., N.Dak., Ohio, Okla., S.Dak., Tenn., Tex.as, Utah, Wis., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Juncus interior"
Ralph E. Brooks* +  and Steven E. Clemants* +
Wiegand +
Interior rush +
Alta. +, Man. +, Ont. +, Que. +, Sask. +, Ariz. +, Ark. +, Colo. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Minn. +, Mont. +, Mo. +, Nebr. +, N.Mex. +, N.Dak. +, Ohio +, Okla. +, S.Dak. +, Tenn. +, Tex.as +, Utah +, Wis. +  and Wyo. +
Dry, often upland sites in prairies, exposed disturbed sites, and ditches in sandy or clayey soils +
Flowering and fruiting late spring–early summer. +
Bulletin of the Torrey Botanical Club +
Illustrated +  and Endemic +
Juncus arizonicus +, Juncus interior var. arizonicus +, Juncus interior var. neomexicanus +, Juncus monostichus +  and Juncus neomexicanus +
Juncus interior +
Juncus subg. Poiophylli +
species +