by Stephen Mifsud
   25 Jul 2024      ()
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Cyperus involucratus   (Dwarf Papyrus Grass)

Cyperus involucratus  (CYPERACEAE.) 
Images for this profile are taken from the Maltese Islands after year 2000.

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Profile Date Dec-2007 (taxon update: none)
Citation for this page Mifsud, S. (2022). Cyperus involucratus - datasheet created on Dec-2007. Retrieved from on 25-Jul-2024

Nomenclature and Basic Information

Species name :

Cyperus involucratusRottb.
Published in Descr. Icon. Rar. Pl. 22 (1773)

Synonyms :
(basionym or principal syn.)

Cyperus flabelliformis Rottb.
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life] []

Plant Family :

Cyperaceae Juss. (The Sedge Family)
27 species from the Cyperaceae family are recorded from the Maltese Islands.

English name(s) :

Dwarf Papyrus Grass, Umbrella Palm

Maltese name(s) :

Bordi tal-umbrella

Status for Malta :

Persisting Alien. Introduced species for horticulture (flowering plants) or agriculture (herbs or fruiting trees) usually within the last 2 centuries and persist after their original location or site is abandoned. They do not widespread but usually remain as a single tree or a very localised population.

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 :

Not legally protected till the last update of this website (2/Mar/2022)

Red List (1989) :

Not listed in the Red Data Book of the Maltese Islands

Flowering Time :

April – November

Colour of Flowers:

Brown or Inconspicuous


Not particularly toxic

Name Derivation :


Planting in rural areas :

Can be planted in rural areas according to ERA Guidelines

Description, Habitat and Distribution
Habitat in Europe: Damp places, rarely shallow wetlands
Preferred habitat in Malta: Wetlands especially in valleys and springs
Botanical Description: Caespitose, leafless perennial; rhizomes short, thick, woody; stems 60-90 cm. Bracts 11-25, flat, exceeding the inflorescence. Inflorescence a compound umbel of rather dense heads; rays 20-25, up to 6 cm. Spikelets 6-8 x 1.5-2 mm, lanceolate, with 8-20 flowers, patent. Rhachilla not winged. Glumes 1.5-2 x c. 1 mm, ovate, acute, with a mucro c. 0.1 mm, pale yellow or brown, often with a greenish centre. Stamens 3. Nut c. ½ as long as the glumes, brown. Naturalized
Distributional range: Horticulture escape in C. & W. Mediterranean naturalised in C. Portugal and Azores
Native region outside Europe: (Africa)

Distributional map in Europe
and the Mediterranean region (2018):
Occurrences in Europe.
(from Flora Europaea pre year 1993):
Introduced in  the Azores, Italy (excl. Sicily and Sardignia), Portugal, Sicily and/or Malta
Occurrences in Europe and the Mediterranean region.
(from Euro+Med Checklist, 2019)
  Country codes  
[Ag Az(F M P S T) Bl(I M N) Ca(C G P T) Co Cy Eg Hs(S) cLi Lu Ma Md(M) Po]

Links & Further literature (0 papers)

Google Web

Google Images

Google Scholar

Research Gate




Med Checklist

Cat. of Life



World Flora Online

Plants of the World Online

Vienna Virt. Herb.

RBGE Herbarium

KEW Herbarium




Kindly Email if there are papers and publications about local studies or information about this species to be included in the list above.

Species Images (12 images)
   Cyperus involucratus   -   Image Code: CYPIN-0.
   Cyperus involucratus   -   Image Code: CYPIN-1.
   Cyperus involucratus   -   Image Code: CYPIN-2.
   Cyperus involucratus   -   Image Code: CYPIN-3.
   Cyperus involucratus   -   Image Code: CYPIN-4.
   Cyperus involucratus   -   Image Code: CYPIN-5.
   Cyperus involucratus   -   Image Code: CYPIN-6.
   Cyperus involucratus   -   Image Code: CYPIN-7.
   Cyperus involucratus   -   Image Code: CYPIN-8.
   Cyperus involucratus   -   Image Code: CYPIN-9.
   Cyperus involucratus   -   Image Code: CYPIN-10.
   Cyperus involucratus   -   Image Code: CYPIN-11.

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