Heterozostera nigricaulis
Aquatic Bot. 81: 110 (2005)
Taxonomic status
Accepted
Occurrence status
Present
Origin
Native
Degree of establishment
Native
Threat status
FFG:
Endangered (EN)
Rhizomes 0.5–3 mm diam.; fibrous bundles in outer and inner cortex. Branches erect or generative, erect branches indeterminate, black, wiry. Leaf sheath 1–6 cm long. Leaves 2–5 per shoot, 3.5–16.0 cm long, 0.5–2.0 mm wide; apex obtuse with distinct V-shaped notch; epidermal cell surface colliculate. Spathes inconspicuous, hidden among leaf clusters, up to 6 per branch. Spadix with 2–5 triangular bracts, each enclosing an anther, 0.5–1.0 mm long. Flowers Sep.–Feb.
GipP, OtP. Also WA, SA, NSW, Tas. Forms large meadows in shallow coastal waters to a depth of c. 15 m.
Created by: Andre
Messina,
5 Aug. 2014
Updated by: Val
Stajsic,
17 Jan. 2021
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