Nymphoides spinulosperma Aston

Marshwort

Muelleria 10: 21 (1997) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988

Perennial; stems to 1.5 m long, floating, stoloniferous. Petioles of basal leaves 11.5–47 cm long; blades very broad-ovate or sometimes near-circular, (2.5–)4–9.5(–12) cm long, usually mildly crenate, sometimes entire, deeply cordate, upper surface often mottled green and maroon-brown, sometimes green only, typically with a small cyclamen-coloured spot at the point of petiole insertion. Flowers heterostylous, in spaced pairs along short inflorescence; calyx 7.5–11 mm long; corolla 24–42 mm diam., lobes 5, with broad laciniate wings, not keeled; stigmas 2. Capsule 7.5–11 mm long, c. equal to calyx; seeds ellipsoid, strongly laterally compressed, 1.1–1.5 mm long, black when mature, moderately densely covered with long fine tapered acute tubercles 6 or more times as long as wide; caruncle circular, prominent. Flowers and fruits mostly Nov.–Feb.

Wim. Also Qld, NSW. Known in Victoria only from seasonal to permanent freshwater swamps to 75 cm deep, dominated by Eragrostis infecunda, near St Arnaud and Apsley, at altitudes from 150–170 m.

Source: Aston, H.I. (1999). Menyanthaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-08-01
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Asterales
family Menyanthaceae
genus Nymphoides
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Nymphoides spinulosperma in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Nymphoides spinulosperma in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present native

State distribution

Distribution map
State
Queensland
New South Wales
Victoria