|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: Schoenus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Schoenus nigricans L.
Habit: Plant 2--7 dm, erect, wiry, glabrous; rhizome caudex-like. Stem: <= 1 mm diam, cylindric, stiff, center spongy with air cavities. Leaf: > 1/2 stem; blade +- 1 mm wide, 3-angled, entire minute-serrate; sheath +- black, splitting adaxially; ligule +- 0.3 mm, dark brown. Flower: perianth bristles generally < fruit, smooth or scabrous, deciduous. Fruit: 1--1.5 mm, ovoid-ellipsoid, +- white. Chromosomes: 2n=44,54.
Ecology: Marshes, swamps, springs, generally alkaline soils; Elevation: < 1500 m. Bioregional Distribution: SnGb, SnBr, DMoj; Distribution Outside California: Florida, Texas, to Mexico, Caribbean, Old World. Flowering Time: Aug--Sep Note: Used as roof thatch in Ireland.
eFlora Treatment Author: Gordon C. Tucker
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Schoenus
Next taxon: Scirpus
Citation for this treatment: Gordon C. Tucker 2017. Schoenus nigricans, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=43586, accessed on January 24, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 24, 2017.