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Hydrocotyle acutiloba (F.Muell.) N.A.Wakef.
Family Araliaceae
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.

Photo J. Miles

Other photo
Photo J. Miles

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.
AVH map***

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
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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