Nasturtium officinale R.Br.

Hortus Kew., edn 2, 4: 110 (1812) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Perennial, decumbent, stoloniferous, growing in mud or shallow water; stems to 250 cm long, hollow, angular, glabrous. Leaves pinnate or pinnately divided, mostly to 10 cm long, becoming smaller towards inflorescence, lateral segments broadly elliptic, glabrous. Sepals 2–2.5 mm long; petals 2.5–5 mm long, white; stamens 6. Fruit spreading, narrow-oblong, curved, 10–18 mm long (excluding style), c. 2 mm wide; style less than 1 mm long; pedicels spreading, 8–15 mm long; seeds in 2 rows per locule, coat reticulate with 25–50 depressions per face. Flowers spring–autumn.

*Brid, *CVU, *DunT, *EGL, *EGU, *GipP, *Glep, *Gold, *HNF, *HSF, *NIS, *OtP, *OtR, *Strz, *VRiv, *VVP, *WaP. Common aquatic weed of lowland creeks and drains, mostly in southern Victoria.

Hybrids between Nasturtium microphyllum and N. officinale (previously referred to Rorippa ×sterilis Airy Shaw) have been reported from New Zealand. Such hybrids have deformed fruits with no more than 4 well-formed seeds, and seed-surface markings intermediate between the two species (see Rich 1991, pp. 152–3).

Cultivated as a salad vegetable and probably deliberately naturalised last century.

Source: Entwisle, T.J. (1996). Brassicaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne (as Rorippa nasturtium-aquaticum (L.) Hayek).
Updated by: Frank Udovicic, 2014-11-21
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Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Brassicales
family Brassicaceae
genus Nasturtium
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Nasturtium officinale in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Nasturtium officinale in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Glenelg Plain present naturalised
Bridgewater present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Gippsland Plain present naturalised
Otway Plain present naturalised
Warrnambool Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands present naturalised
Dundas Tablelands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised
East Gippsland Uplands present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Otway Ranges present introduced
Strzelecki Ranges present naturalised

State distribution

Distribution map
State
Western Australia
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania