Heterozostera tasmanica

Rhizomes 1.5–3 mm diam.; fibrous bundles only in outer cortex. Branches generative. Leaf sheath 1.7–7.5 cm long. Leaves 3–4 per shoot, 14–32 cm long, 0.5–2 mm wide; apex obtuse with a minute slit; epidermal cell surface smooth. Spathes conspicuous, 10–18 per branch. Spadix with 2–4 narrowly triangular bracts, each enclosing an anther, 1.5–3.5 mm long. Flowers Sep.–Feb.