Common name: Tiny Pennywort
Hydrocotyle callicarpa Bunge APNI* 
Description: Slender, erect annual herb, 1–8 cm high, stems branched often from the base, filiform, glabrous or sparsely hairy.
Leaves reniform, 3–10 mm diam., 3–5-lobed rarely more than halfway into the lamina, lobes entire or 3-toothed, teeth with a distinct sometimes caducous bristle at apex; petiole about as long as lamina; stipules fringed, scarious and white.
Umbels 6–15-flowered, 2–3 mm diam.; peduncle 2–10 mm; pedicels 0.5–1.5 mm. Petals white to purplish.
Fruit 0.5–1 mm long, 1–1.5 mm wide, smooth, dark; mericarp with dorsal rib keeled, intermediate ribs prominent but not keeled, those of the 2 mericarps encircling a flat almost-circular depression on both lateral faces of the fruit.
Flowering: September–November
Distribution and occurrence: Grows in dry or moist open sandy areas of gully floors on gravelly or loamy soils on granite; south from the West Wyalong district.
NSW subdivisions: CT, CWS, SWS, SWP
Other Australian states: Vic. Tas. S.A. W.A.
Formerly in Apiaceae.
Text by S. M. Hastings & B. M. Wiecek
Taxon concept: Flora of NSW 3 (1992)
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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