Hydrocotyle acutiloba (F.Muell.) N.A.Wakef. APNI*
Description: Creeping perennial with slender stems, rooting at nodes, occasionally mat forming or ascending, hairy.
Leaves orbicular-cordate to reniform, 6–60 mm across, 3–7 lobed; lobes shallow to c. half the radius of the lamina, mostly acute, margins crenate; petiole to c. 28 cm long; stipules membranous, entire.
Umbels, simple, leaf opposed, globose, 3–6 mm diameter, 3–15 flowered; peduncle 7–30 mm long; pedicels to 1.5 mm long. Petals yellow, green or purple, at anthesis wider than ovary.
Fruits c. 1.5 mm long and wide, evenly olive brown, mericarps smooth, ribs inconspicuous or slightly angular.
Flowering: Flowers summer.
Distribution and occurrence: Stream banks, often in warm temperate rainforest.
NSW subdivisions: NC, CC, NT, CT, ST
Other Australian states: Qld Vic.
There is a marked variation in leaf size, and in some areas small leaved (to 1 cm across) variants grow mixed with large leaved (to 6 cm across) variants. Formerly in Apiaceae.
Text by M.F. Duretto
Taxon concept: Flora of Victoria Volume 4, 1999
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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