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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Juncaceae||View Description||Dichotomous Key|
|Genus: Juncus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Juncus effusus L.
Habit: Perennial herb, cespitose, 60--155 cm; rhizome stout. Stem: 2--5 mm wide at base, above sheath; when fresh, upper stem smooth, shiny. Leaf: basal; blades 0. Inflorescence: appearing lateral, open; lowest bract cylindric, resembling stem, >> inflorescence; flowers generally many, single; bractlets 2 per flower. Flower: perianth parts 1.8--4.2 mm, +- equal, generally pale brown; stamens 3, filaments <= to > anthers. Fruit: +- = perianth, obovoid, +- truncate. Seed: 0.5 mm; appendage 1, minute. Chromosomes: 2n=40.
Note: Native and naturalized.
eFlora Treatment Author: Peter F. Zika
Jepson Online Interchange
Previous taxon: Juncus duranii
Next taxon: Juncus effusus subsp. austrocalifornicus
Citation for this treatment: Peter F. Zika 2017. Juncus effusus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=29646, accessed on February 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 26, 2017.