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|Jepson eFlora: Taxon page
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|Family: Juncaceae||View Description||Dichotomous Key|
|Genus: Juncus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Juncus trilocularis Zika
Habit: Perennial herb, cespitose, 30--50 cm. Stem: stiff, stout, weakly grooved. Leaf: +- basal; sheath appendages conspicuous, membranous; blade with flat side toward stem, much exceeded by stem, stiff, spreading, crosswalls 0. Inflorescence: open; lowest bract = to generally > inflorescence; branches ascending; flowers 1, many. Flower: perianth parts 4--5.5 mm, long-acuminate, sepals > petals; stamens 6, anthers > filaments. Fruit: +- = petals, widely oblong, +- 3-angled; chambers 3. Seed: +- twisted; appendages minute. Chromosomes: 2n=80.
Ecology: Meadows moist in spring, washes; Elevation: 300--1600 m. Bioregional Distribution: KR, CaRH, SNF, n SNH, MP; Distribution Outside California: to Washington, Idaho, Nevada. Fruiting Time: Jun--Jul Note: Segregated taxonomically from Juncus brachyphyllus Wiegand, now treated in a more restricted sense to include only plants of central and midwestern United States (east of Rocky Mountains).
eFlora Treatment Author: Peter F. Zika
Jepson Online Interchange
Previous taxon: Juncus triformis
Next taxon: Juncus uncialis
Citation for this treatment: Peter F. Zika 2017. Juncus trilocularis, in Jepson Flora Project (eds.) Jepson eFlora, Revision 3, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=98862, accessed on April 23, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 23, 2017.