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| MaltaWildPlants.com by Stephen Mifsud |
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Cyperus esculentus (Yellow Nutsedge) |
Cyperus esculentus (CYPERACEAE.)
Images for this profile are taken from the Maltese Islands at or after year 2000. |
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| Nomenclature and Basic Information |
Species name : |
Cyperus esculentus L.
Published in Sp. Pl. 45 (1753) | Synonyms :
(basionym or principal syn.) |
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Plant Family : | Cyperaceae
Juss. (The Sedge Family)
27 species from the Cyperaceae family are recorded from the Maltese Islands. | English name(s) : | Yellow Nutsedge, Chufa Sedge, Tigernut Sedge | Maltese name(s) : | Maltese name not known | Status for Malta : | Archeophyte. Non-native species, but introduced in ancient times, at least 500 years ago after Columbus discovery of the New World. | Frequency : | Very Common Common Frequent
Scarce
Rare Very rare Extinct
| Growth form : |
Raunkiaer lifeform [info]: GEOPHYTE (bearing underground bulbs, rhizomes, stolons, etc.)
Germination [info]: Monocotyledon | Legal Protection [link]: | Not Protected by Law (LN200/2011 or LN311/2006) | Red List (1989) : | Not listed in the Red Data Book of the Maltese Islands | Flowering Time : | Apr-Sep | Colour of Flowers: | Inconspicuous |
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| Species Description and Distribution |
Habitat in Europe: |
Cultivated locally in S. & C. Europe for its edible tubers (tiger nuts) and ocassionally escapes in the wild. |
Preferred habitat in Malta: |
Data will be available in the next update of this website. |
Botanical Description: |
Annual or perennial; rhizomes long, slender, scaly, sometimes with tubers up to 15 mm; stems 5-60(-90) cm, solitary. Leaves 2-10 mm wide, shorter than to exceeding the stems. Bracts 2-9, usually several exceeding the inflorescence. Inflorescence a simple or compound umbel; rays 4-10, up to 10 cm. Spikelets 5-16 x 1-2.5 mm, linear to oblong, with 6-22 flowers, ascending to patent. Rhachilla broadly winged. Glumes 2-3 x c. 2 mm, lanceolate to ovate, obtuse, concave, pale yellow to yellowish-brown. Stamens 3. Nut ½ as long as the glumes, reddish or dark grey. |
Distributional range: |
Mediterranean region and S.W. Europe |
Distributional map in Europe
and the Mediterranean region (2018):
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Occurrences in Europe.
(from Flora Europaea pre year 1993): |
Albania, the Azores, Bulgaria, Corse, France (incl. Monaco and Channel Islands but excluding Corse), Greece, Italy (excl. Sicily and Sardignia), Portugal, Sicily and/or Malta, Introduced in Austria and Liechtenstein, the Balaeric Islands, Crete, Spain (incl. Andorra but excl. the Balaerics), Russia and former USSR |
Occurrences in Europe and the Mediterranean region.
(Euro+Med Checklist, 2017) -
Country codes |
Ab(A) Ag Al dAz(C F G J L M P S T) -Bl(M) Bu Co dCr Ct Eg Ga Gr dHo dHs Hs(S) IJ It Le Li Lu dMd(M) Si(S) Sl Sn Tn Tu(A) [Au(A) Ca(P) Ge Mo Sk Uk] |
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Use this form to submit more information on this species or report mistakes in this webpage. If information supplied is taken from a book, journal or website, please provide the corresponding reference or website address. Your email address is only for internal communication. Please report only Maltese locations for plants that indicated as rare or very rare (refer to the Nomenclature section). Please do report mistakes, broken links, technical errors, silly typing / grammar errors, misidentifications or taxonomical updates; this will help to improve the website's accuracy. Thanks you! Fill any of the three sections (A/B/C) below and kindly submit the form. * = required fields.
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