R. Br., Prod. Fl. Nov. Holl. 225 (1810).
Synonymy: Not Applicable
Common name: Tuber spike-rush.
Stolons slender, bearing ovoid tunicated tubers c. 4 mm long; stems tufted, 3-40 cm high, 0.5-0.7 mm wide; leaf sheaths membranous, oblique and somewhat scarious at the apex.
Spikelet lanceolate to linear, acute, chestnut-brown, often proliferous, 10-20 mm long, 2-3 mm wide; glumes oblong or ovate-oblong, obtuse, membranous, narrowly keeled, sides stained reddish-brown and streaked with numerous linear red-brown glands, 3.5-5 mm long; stamens 3.
Nut narrowly obovate or oblong-obovate, 1.3-1.5 x c. 0.7 mm, trigonous, sides convex, prominently vertically ribbed and transversely tuberculate, white to pallidly straw-coloured, shiny, constricted immediately below the apex to a short neck about two-thirds as wide; style base pyramidal-deltoid, or somewhat depressed at the base, with a rather prominent annulus, three-quarters to four-fifths as wide as the nut and one-third to half as long as wide; hypogynous bristles 0.
S.Aust.: SL, SE. Qld; N.S.W.; Vic.
Flowering time: Jan.
SA Distribution Map based
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specimens held in the
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