Juncus interior


Bulletin of the Torrey Botanical Club 27: 516. 1900

Common names: Interior rush
Synonyms: Juncus arizonicus Wiegand Juncus interior var. arizonicus (Wiegand) F. J. Hermann Juncus interior var. neomexicanus (Wiegand) F. J. Hermann Juncus monostichus unknown Juncus neomexicanus unknown
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


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.




Lower Taxa

No lower taxa listed.

Facts about "Juncus interior"
AuthorRalph E. Brooks* + and Steven E. Clemants* +
AuthorityWiegand +
Common nameInterior rush +
DistributionAlta. +, 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. +
HabitatDry, often upland sites in prairies, exposed disturbed sites, and ditches in sandy or clayey soils +
IllustratorYevonn Wilson-Ramsey +
PhenologyFlowering and fruiting late spring–early summer. +
Publication titleBulletin of the Torrey Botanical Club +
Publication year1900 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V22/V22 622.xml +
SynonymsJuncus arizonicus +, Juncus interior var. arizonicus +, Juncus interior var. neomexicanus +, Juncus monostichus + and Juncus neomexicanus +
Taxon familyJuncaceae +
Taxon nameJuncus interior +
Taxon parentJuncus subg. Poiophylli +
Taxon rankspecies +
VolumeVolume 22 +