yellow nutsedge

Cyperus esculentus

Its tubers, called 'tiger nuts', were cultivated in ancient Egypt and are the key ingredient in the traditional Spanish drink horchata.

Scientific name
Cyperus esculentus
Taxonomy
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae › Cyperus
IUCN Red List status
Least Concern
Population trend
increasing
Biome
wetland
Habitat
Wetlands, marshes, agricultural fields, and disturbed moist soils.
Diet
Photosynthetic (requires sunlight, water, and soil nutrients).
Range
North America, South America, Europe, Africa, Asia
Size
20 to 90 cm (8 to 35 inches) tall.
Lifespan
Perennial (tubers can remain viable underground for several years).
Active
diurnal
Threats
Herbicide application and intensive agricultural cultivation, though it highly resists both.
Safe to approach?
Harmless. The plant is safe to touch, and its underground tubers (tiger nuts) are edible and sweet when washed. However, avoid harvesting from areas treated with herbicides or chemical runoff.

Cyperus esculentus (also called chufa sedge , nut grass , yellow nutsedge , tiger nut sedge , or earth almond ) is a crop of the sedge family widespread across much of the world. It is found in most of the Eastern Hemisphere, including Southern Europe, Africa and Madagascar, as well as the Middle East and the Indian subcontinent.

Photo: arthur_haendler, CC-BY, via iNaturalist

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