Classification
Class
Magnoliopsida Brongn.
Order
Poales Small
Family
Juncaceae Juss.
Genus
Juncus L.
 Nomenclature
Scientific Name:
Juncus kraussii subsp. australiensis (Buchenau) Snogerup, Willdenowia 23: 61 (1993)
Synonymy:
  • ≡ Juncus maritimus var. australiensis Buchenau in Buchenau, Bot. Jahrb. Syst. 12: 257 (1890)
Vernacular Name(s):
sea rush
 Description

Clumps densely or loosely tufted, dark-coloured. Rhizome 5–8 mm. diam., horizontal, not much branched. Flowering stems 30–100–(120) cm. × 1.5–3 mm., rather distant along the rhizome, rigid, terete, light to dark yellow-brown, pith continuous; basal bracts stiff, acute, red-brown, upper ones larger, broad and mucronate. Lvs 1–2, terete, bright green, sheathing at the base, similar to the stems but shorter. Infl. apparently lateral, open, irregularly-branched, branchlets ∞, rigid, almost equalling the pungent subtending bract. Fls c. 3 mm. long, clustered at the tips of the branchlets; tepals very stiff, red-brown with green to light brown midrib. Stamens us. 3 perfect and 3 aborted, but occ. 1 or more of the us. aborted inner ring are complete; anthers twice as long as filaments. Capsule slightly > tepals, ovoid, shining, mucronate, dark brown, almost black.

[From: Moore and Edgar (1970) Flora of New Zealand. Volume 2 as Juncus maritimus var. australiensis Buchenau]

 Biostatus
Indigenous (Non-endemic)
 Bibliography
Buchenau, F. 1890: Monographia Juncacearum. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 12: 1–495.
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [Not Threatened]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [Not Threatened]
Kirschner, J. 2002: Juncaceae 2: Juncus subg. Juncus. In: Orchard, A.E. (ed.) Species Plantarum: Flora of the World. 8. ABRS, Canberra. 20–22.
Snogerup, S. 1993: A revision of Juncus subgen. Juncus (Juncaceae). Willdenowia 23: 23–73.