MaltaWildPlants.com by Stephen Mifsud
 
     
   7 Dec 2023      ()
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Bolboschoenus glaucus s.l.   (Southern Clubrush)


Bolboschoenus glaucus s.l.  (CYPERACEAE.) 
Images for this profile are taken from the Maltese Islands after year 2000.

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Profile Date Dec-2007 (taxon update: Jun-2022)
Citation for this page Mifsud, S. (2022). Bolboschoenus glaucus s.l. - datasheet created on Dec-2007. Retrieved from MaltaWildPlants.com on 07-Dec-2023

Nomenclature and Basic Information

Species name :

Bolboschoenus glaucus s.l.(Lam.) S.G. Smith
Published in Sp. Pl. : 51 (1753)

Synonyms :
(basionym or principal syn.)

Scirpus glaucus Lam.
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life] [Worldplants.de]

Plant Family :

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

English name(s) :

Southern Clubrush, African Clubrush

Maltese name(s) :

Simar tal-Africa

Status for Malta :

Endemic. Occurs only on the Maltese islands

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 :

Protected by law: Regulation 26 of [S.L. 549.44] (Strictly protected endemic species)

Red List (1989) :

Not listed in the Red Data Book of the Maltese Islands

Flowering Time :

April – June

Colour of Flowers:

Brown or Inconspicuous

Toxicity:

Not particularly toxic

Name Derivation :

Bolboschoenus:
glaucus s.l.:

Planting in rural areas :

Can be planted in rural areas according to ERA Guidelines

Remarks :

The Maltese material seems to correspond morphologically and genetically with the hybrid between B. glaucus and B. maritimus, and at present this is assumed to be an endmic hybrid. Sterility, polymorphism and intermediate characters of the achenes between the putative hybrids strongly supports this hybrid. Check paper in the links below It will be formerly described in 2023.


Description, Habitat and Distribution
Habitat in Europe: Species endemic to the Maltese Islands, not found in the rest of Europe
Preferred habitat in Malta: Valley beds and flooded wetlands
Botanical Description: Perennial, 20-30 cm. Rhizome creeping or with stolons ending with tubers, c. 7 mm diam. Stem 1-1.5 cm diam., sharply trigonous, even narrowly winged above, smooth or slightly scabrous, gryish green. Leaves as long as stem or longer; sheaths up to 10 cm, yellowish brown, soft, margin almost straight; blades to 25 cm long, 1-2.5 mm wide, flat, folded or recurved, keeled, grey green, smooth. Inflorescence up to 25 mm long, small multiple spike of 1-4 spikes; lateral spikes each with peduncles to 12 mm long; lowest bract longer than inflorescence. Spikes 6-12 x 4-6 mm, ovoid or globular, brown; tubular prophyll up to 5 mm, white, scarious; glumes 4-6 x 2-2.5 mm, cymbiform, more or less hairy, brown, sides nerveless, widely scarious, apex truncate, trifid, eroded, scarious, arista to 1,5 mm, straight to slightly recurved. Perianth bristles 4-6, c. half of the nut, persistent; stigmas 3. Nut 2.5-3 x 1.4-1.7 mm, obovoid, planoconvex, trigonous with rounded dorsal edge, brown to dark brown, apex conical, surface finely reticulate, glossy, epidermal cells small.
Chromosome number: 2n=80
Distributional range: Most of Europe

Distributional map in Europe
and the Mediterranean region (2018):
Occurrences in Europe.
(from Flora Europaea pre year 1993):
All Europe except Faroe Islands, Iceland, Svalbard archipelago
Occurrences in Europe and the Mediterranean region.
(from Euro+Med Checklist, 2019)
  Country codes  
Ab(A) Ag Al Au(A) Az(F T) Be Bl(I M N) Br Bt Bu Ca(F T) Cg Co Cr Cs Ct Cy Da Fe Ga(C F) Ge Gr Hb(E N) He Ho Hs(S) Hu Ir It Jo Le Li Lu Ma Md(M P) Mo No Po Rf(C N S) Rm Sa Si(S) Sk Sl Sn Sr Su Sy Tn Tu(A E) Uk(K U)

Links & Further literature (1 papers)

Google Web

Google Images

Google Scholar

Research Gate

Wikipedia

JSTOR

GBIF

Med Checklist

Cat. of Life

EoL

IPNI

World Flora Online

Plants of the World Online

Vienna Virt. Herb.

RBGE Herbarium

KEW Herbarium

MNHN

Arkive

IUCN

CABI
Bolboschoenus (Cyperaceae) in the Maltese Islands - an enigma of taxonomic interest. Stephen Mifsud  (2022)
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 (11 images)
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-0.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-1.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-2.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-3.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-4.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-5.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-6.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-7.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-8.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-9.
   Bolboschoenus glaucus s.l.   -   Image Code: BLBGL-10.

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