|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Cyperaceae||View Description||Dichotomous Key|
|Genus: Cyperus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Cyperus iria L.
Habit: Annual 20--30 cm. Stem: 3--10, 3-sided. Inflorescence: inflorescence bracts 4--7; rays 4--8, 1--50 mm; spikelets ascending, 4--20 mm, +- linear to elliptic, flat; flower bracts 1.3--1.8 mm, obovate to round, notched with point <= 0.12 mm, brown to golden brown, lateral veins 2. Flower: stigmas 3. Fruit: 1.2--1.4 mm, obovoid, fine-pitted, glossy.
Ecology: Ditches, pond shores; Elevation: < 100 m. Bioregional Distribution: ScV (Yuba Co.); Distribution Outside California: eastern United States; Mexico, Central America, South America, Old World. Flowering Time: Aug--Oct Note: 1st collected in California in 1999.
eFlora Treatment Author: Gordon C. Tucker
Jepson Online Interchange
Previous taxon: Cyperus involucratus
Next taxon: Cyperus laevigatus
Citation for this treatment: Gordon C. Tucker 2017. Cyperus iria, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=21856, accessed on April 30, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 30, 2017.