Juncus fockei Buchenau

Slender Joint-leaf Rush

Bot. Jahrb. 12: 358 (1890) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Tufted perennial with or without short rhizomes. Culms erect, new shoots occasionally arising from lower nodes, to c. 50 cm high. Leaves cauline; blade hollow, with inconspicuous transverse septa when fresh, but more obvious when dry, shorter or longer than culms, slightly to distinctly compressed, c. 1–3 mm wide, apex acute or obtuse; auricles usually obtuse, to c. 2 mm long. Inflorescence of 2–55 close or distant clusters of 3–40 flowers, c. 6–15 mm wide in fruit; primary bract shorter or longer than the inflorescence; prophylls absent. Tepal midrib turning light brown, margins pale, membranous, reddish tinged towards apex; outer tepals (2.5–)3–4.5 mm long, acute; inner equal to or longer than outer, acute; stamens 6, anthers 0.5–0.8 mm long. Capsules light brown to golden-brown, trigonous-ovoid, c. 3.5–6.5 mm long, at maturity exceeding the tepals by at least 1 mm, tapering gradually to an acute apex; seeds 0.4–0.5 mm long, slightly asymmetrical, finely reticulate-patterned discernible at moderately high magnification, minutely apiculate at each end. Flowers mostly Nov.–Jan., seeds shed mostly Jan.–Apr.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HFE, HNF, HSF, MonT, NIS, SnM, VAlp, VVP, Wim. Also Qld, NSW, ACT, Tas. Apparently introduced in New Zealand. Fairly common in eastern Victoria, occurring in riparian situations, swamps and drains, less common in the west.

Superficially similar to Juncus prismatocarpus but differing in the unitubular leaf-blades and greater number of stamens. Closely resembling J. holoschoenus (see notes under that species).

Source: Albrecht, D.E. (1994). Juncus. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2019-03-04
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Juncaceae
genus Juncus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Juncus fockei in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Juncus fockei in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Gippsland Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Monaro Tablelands present native
Highlands-Far East present native
Victorian Alps present native
Snowy Mountains present native

State distribution

Distribution map
Western Australia
New South Wales
Australian Capital Territory