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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Juncaceae||View Description||Dichotomous Key|
|Genus: Juncus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Juncus torreyi Coville
Habit: Perennial herb 30--100 cm; rhizome thin, creeping, with narrow tubers. Stem: stout. Leaf: sheath appendages prominent, thin; blade cylindric, crosswalls complete. Inflorescence: lowest bract > inflorescence; clusters 1--20, 25--80-flowered, crowded. Flower: perianth parts slender, tapered to rigid points, sepals 4--5.6 mm, petals 3.5--5 mm; stamens 6, filaments > anthers. Fruit: +- = perianth, thin, 3-angled, tapered to point, seeds below middle only. Seed: 0.4--0.5 mm, oblong; appendages 0. Chromosomes: 2n=40.
Ecology: Meadows, moist woodland; Elevation: < 1800 m. Bioregional Distribution: Teh, SnJV, CCo, SCo, WTR, SnGb, PR (exc SnJt), GB (exc Wrn), D; Distribution Outside California: to British Columbia, eastern Canada, Georgia. Fruiting Time: Jun--Sep
eFlora Treatment Author: Peter F. Zika
Jepson Online Interchange
Previous taxon: Juncus tiehmii
Next taxon: Juncus triformis
Citation for this treatment: Peter F. Zika 2016. Juncus torreyi, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=29730, accessed on February 07, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 07, 2016.