Plants of South Eastern New South Wales
Cycnogeton procerum
Common name
Water ribbons
Family
Juncaginaceae
Where found
Still to slow-flowing fresh water to 2 m deep, mostly in permanent swamps, lagoons and streams, but withstands extensive periods of dryness. Mainly coast, ranges, and tablelands. Occcasionally elsewhere.
Notes
Perennial herb, rhizomatous. Flowering and fruiting stem to 1.45 m tall, usually erect. Leaves basal, more or less flat and strap-like, arising in tufts from the rhizome, floating to erect, 6-350 cm long, to 41 mm wide, the upper parts often floating in long ribbons, thickened and spongy towards the base, with a sheath at the base. Flowers greenish, with 6 'petals' about 2 mm long, in two whorls, in a dense spike-like cluster. Fruiting spikes to 300 mm long and 30 mm wide, with about 52–320 seed cases. Flowers most of the year. Seed cases globular to broadly pear-shaped to oval, 6.8–14.4 mm long, 6.8–10.9 mm in diameter. Seeds straight to twisted around each other, each with a broad-convex ridge at the top, and often two broad ridges on the sides.
Was Triglochin procera.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Cycnogeton~procerum (accessed 9 January, 2021)
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