Cycnogeton alcockiae (Aston) Mering & Kadereit

Diversity Phylogeny Evol. Monocotyledons 73 (2010) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Similar to Cycnogeton procerum but plants never robust; tubers smaller and plumper, 8–20(–28) mm long, 5–12 mm diam., 1–3 times as long as broad; leaves smaller and more slender, their emerged portions floating, never erect, (6–)26–91 cm long, (1–)2–8 mm wide; scape at fruiting usually shorter and more slender, c. 27–67 cm long, c. 1.5–6 mm diam.; mature fruits distinctive in shape and fewer, 1–67 per infructescence, usually somewhat broader than long, globular to depressed globular in outline, 5.6–8.7 mm long and 6.6–9.9 mm diam.; mature carpels ventrally attached along only the lower 20–39% of the carpel length (the free upper portion of the carpels may be partially spiralled around each other), each with broad-convex dorsal and lateral ridges; all (5 or)6 carpels mature or else 1 or 2 (sometimes more) abort. Fruits (Sep.–)Oct.–Dec.(–Jan.).

CVU, DunT, GipP, Glep, Gold, GGr, HSF, LoM, OtP, VVP, WaP, Wim. Also SA, Tas. Occasional in small streams, stagnant water or coastal brackish habitats.

Source: Conn, B.J.; Aston, H.I. (1994). Juncaginaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne (as Triglochin alcockiae Aston).
Updated by: Val Stajsic, 2019-02-11
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Alismatales
family Juncaginaceae
genus Cycnogeton
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Cycnogeton alcockiae in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Cycnogeton alcockiae in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Highlands-Southern Fall present native

State distribution

Distribution map
South Australia
New South Wales