Checklist » Cyperaceae » Cyperus esculentus var. leptostachyus
Last updated 11/9/2009 by David Giblin.
Cyperus esculentus L. var. leptostachyus Boeckeler[FNA23, HC2]
yellow nutgrass

Publication: Linnaea. 36: 290. 1870.

Origin: Native

selected vouchers: WTU

Notes: A weed around the world; possibly not native to W. WA.

FNA23: "Cyperus esculentus var. leptostachyus is the most common of the varieties nearly throughout the range of the species in North America.

Cyperus esculentus is a widespread and polymorphic species. Although seven varieties have been recognized (G. Kükenthal (1935–1936), recent studies based primarily on spikelet features provided support for four varieties (P. Schippers et al. 1995). Cyperus esculentus var. esculentus is restricted to the Old World."

References: (none)

Synonyms & Misapplied Names:
Chlorocyperus phymatodes (Muhl.) Palla
Cyperus esculentus L. var. angustispicatus Britton
Cyperus esculentus L. var. phymatodes (Muhl.) Kük.
Cyperus fulvescens Liebm.
Cyperus phymatodes Muhl.
Cyperus repens Elliott
Cyperus tuberosus Pursh