Hydrocotyle laxiflora DC.

Stinking Pennywort

Prodr. 4: 61 (1830) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Lax, usually dioecious perennial, sometimes forming loose mats; stems to more than 1 m long, rooting at nodes, often ascending, to c. 40 cm high, plant moderately to densely hirsute, hairs reflexed. Leaf-lamina entire, c. circular to cordate or reniform, slightly discolorous, 8–50 mm across, shallowly 5–11-lobed, margins crenate; petiole c. 1–13(–24) cm long; stipules papery, entire. Umbels simple, leaf-opposed, globose, 5–16 mm diam., c. 30–50-flowered; peduncle 2–7 cm long. Flowers usually unisexual, sometimes bisexual, with an offensive, putrid odour; female flowers with pedicels 0.5–6 mm long, petals deciduous, often adhering to each other and forming a cap, stamens rudimentary; male flowers with pedicels 5–8 mm long, petals pale green to white, spreading, stamens exserted. Fruits 1.5–2 mm long, 1.8–2.5 mm wide, smooth, granular or sometimes with few hairs; mericarps with obtuse dorsal rib, lateral ones prominent. Flowers spring–autumn.

Brid, CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HFE, HNF, HSF, LoM, MonT, MuF, NIS, OtP, OtR, SnM, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim. Also SA, Qld, NSW, ACT, Tas. Widespread in forest, woodland and grasslands, usually in fairly open, dryish to slightly moist, often rocky sites, and often colonizing bare and disturbed areas.

Source: Duretto, M.F. (1999). Apiaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-01-22
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Apiales
family Araliaceae
genus Hydrocotyle
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Hydrocotyle laxiflora in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Hydrocotyle laxiflora in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Wimmera present native
Glenelg Plain present native
Bridgewater present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Fans 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
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Otway Ranges present native
Strzelecki Ranges present native
Monaro Tablelands present native
Highlands-Far East present native
Victorian Alps present native
Snowy Mountains present native

State distribution

Distribution map
South Australia
New South Wales
Australian Capital Territory