Plants › Sedges

yellow nutsedge

Cyperus esculentus

Wildlife study photograph from iNaturalist. — (c) miriamkniaz, some rights reserved (CC BY-NC)

All photos28

28 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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Photos you add are credited to you, and you keep the copyright.

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Ontario.

United States	11,153
Canada	2,377
Ontario	1,704
New York	1,067
Alaska	1,031
Michigan	660
Texas	595
Pennsylvania	578
Quebec	570
New Jersey	484

Counts show where people looked, not only where it lives.

Traits

Group and habits

Human edibleListed as edible by a harvested source. This is a research trait, not foraging advice.Kew World Checklist of Useful Plant Species
Medicinal useListed as having medicinal use by a harvested source. This is not medical advice.Kew World Checklist of Useful Plant Species
Fuel useListed as being used for fuel by a harvested source.Kew World Checklist of Useful Plant Species
Material useListed as being used for materials such as wood, fiber, resin, gum, or oil.Kew World Checklist of Useful Plant Species
Crop wild relativeListed as a crop wild relative or crop gene source by a harvested source.Kew World Checklist of Useful Plant Species
Restoration or landscaping useListed as being used for restoration, landscaping, ornamental planting, erosion control, soil improvement, shade, windbreaks, pollution indicators, or wastewater purification.Kew World Checklist of Useful Plant Species
Cultural useListed as having cultural uses such as ritual, religious, psychoactive, contraceptive, abortifacient, smoking, or masticatory uses.Kew World Checklist of Useful Plant Species
Grass-like growth formListed by a harvested source as having a graminoid or grass-like growth form.USDA PLANTS Characteristics
Wetland-associatedListed by a harvested source as obligate or frequent in wetland habitat.USDA PLANTS Characteristics
Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics

Edibility, toxicity and medicinal traits are records from datasets, not advice. Never eat, handle or use a wild species on the strength of an app.

Classification

Kingdom	Plants · Plantae
Phylum	Vascular Plants · Tracheophyta
Class	monocots · Liliopsida
Order	grasses, sedges, cattails, and allies · Poales
Family	Sedges · Cyperaceae
Genus	Flatsedges · Cyperus

Study it in a deck

Or build your own from the species near you.

Sources

Names, taxonomy and observation counts: www.inaturalist.org
Photos and recordings: the creator and source are on each one.
Traits: Kew World Checklist of Useful Plant Species (CC BY 4.0)
Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
How much to rely on each source

Remember the name next time.

Practise yellow nutsedge with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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