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Juncus capitatus

Juncus capitatus

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Juncaceae
Genus: Juncus
Species: Juncus capitatus

Juncus capitatus Weigel

Juncus capitatus var. congestus Ten.
Juncus capitatus f. physcomitrioides (Baen.) Neuman
Juncus capitatus var. physcomitrioides Baen.
Juncus capitatus subsp. setaceus K.Richt.
Juncus capitatus var. setaceus Nyman
Juncus capitatus var. triandrus Asch.
Juncus capitatus f. umbelliformis Merino
Juncus ericetorum Pollich
Juncus globiceps Bajtenov
Juncus gracilis Roth
Juncus gracilis var. capitatus Roth
Juncus mutabilis Lam.
Juncus tenellus S.Geuns [Illegitimate]
Juncus triandrus Gouan [Illegitimate]
Schoenus minimus T.F.Forst.


It is native to Europe, Asia and North Africa.

Observ. Bot. 28 (1772).


International Plant Names Index. 2017. Juncus capitatus. Published online. Accessed: Sep 23 2017.
The Plant List 2013. Juncus capitatus in The Plant List Version 1.1. Published on the internet. Accessed: 2017 Sep 23. 2017. Juncus capitatus. Missouri Botanical Garden. Published on the internet. Accessed: 23 Sep 2017.
Integrated Taxonomic Information System online database ITIS TSN:39258

Vernacular names
English: dwarf rush, leafybract dwarf rush
suomi: Mykerövihvilä

Juncus capitatus is a species of rush known by the common names dwarf rush[2] and leafybract dwarf rush.[3] It is native to Europe, Asia and North Africa. It is also an introduced species in parts of North America such as California and the Gulf Coast. It grows in moist areas, such as wet sand, vernal pools, and ditches.


The dwarf rush is a small annual herb not exceeding ten centimeters in height. The stems are erect and thready, flat or somewhat corrugated. The leaves are basal and up to 3 or 4 centimeters long. The plant is green to red or brownish in color. Each stem bears an inflorescence of up to six clustered flowers. The pointed bracts at the base of the inflorescence are often over a centimeter long, longer the flower cluster itself, and are somewhat leaflike, giving the species its common name. Each flower has pointed outer tepals and thinner, shorter, oval-shaped inner tepals. There are three stamens. The fruit is a tiny oval-shaped capsule one to two millimeters long.[4]
Distribution and habitat

The dwarf rush is native to Europe, Asia and North Africa. In the British Isles it is only known from Anglesey, Cornwall and the Channel Islands, and is rare in all these locations.[4] It germinates in autumn and grows in places where water stands in winter and which dry up completely in summer, meaning the plant faces little competition. These locations include rock ledges on sea cliffs, around outcrops of serpentine rock and in dune slacks. In some locations it has sometimes been thought to be locally extinct, but then reappeared later.[5]

from Deutschlands Flora in Abbildungen. Author: Johann Georg Sturm. Painter: Jacob Sturm.
BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 26 June 2015. Retrieved 17 October 2014.
"Juncus capitatus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 22 January 2016.
McClintock, David; Fitter, R.S.R. (1961). The Pocket Guide to Wild Flowers. London: Collins. p. 211.
"Juncus capitatus". Online Atlas of the British and Irish Flora. Retrieved 16 April 2020.

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