A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum
Hosted by the University of Washington Herbarium, Burke Museum
Juncus articulatus L. ssp. articulatus[HC2, JPM2]
jointed rush, jointleaf rush
Publication: Sp. Pl. 1: 327. 1753.
Origin: Native
Herbarium search: CPNWH
Notes: A second subsp. is found in eastern Asia. FNA22: "Juncus articulatus hybridizes with J. brevicaudatus (= J. ´ xfulvescens Fernald), J. alpinus (= J. ´ xalpiniformis Fernald), J. nodosus, and J. canadensis.
Juncus articulatus var. obtusatus Engelmann appears to be intermediate with J. alpinus. It has spreading inflorescence branches but obtuse inner tepals. This may represent a backcross with J. alpinus. Recent evidence suggests that J. alpinus is a polyploid species with J. articulatus as one of its parents."
Last updated 1/8/2024 by David Giblin.
Synonyms & Misapplied Names:
(none)
