Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Umbelliferae
Hydrocotyle crassiuscula

Citation: Tate, Trans. R.Soc. S. Aust. 7:69 (1885).

Synonymy: Hydrocotyle crassiuscula

Common name: Spreading pennywort.

Glabrescent annual; stem procumbent, ascending, not rooting at the nodes, 6-30 cm long, branched, rather stout and rigid; leaf blades orbicular to reniform, 10-15 mm broad, glabrous or with some scattered hairs, deeply (sometimes to the base) divided into 3 oblong-cuneate toothed segments, the lateral segments usually 2-lobed and toothed; petioles of lower and basal leaves 2-4 cm long, often with a few thin hairs, of upper leaves shorter; stipules scarious, oblong to obovate, short-fringed, adnate for about two-thirds to the petiole.

Peduncles short, rigid; umbels of 8-12 almost sessile flowers in small heads; fruiting pedicels c. 1.5 mm long, thick.

Fruits c. 1.5 mm long, 2.5-3 mm broad; carpophore subulate, rather stout, persistent; dorsal ribs keeled; intermediate ribs prominent, acute but not keeled; mericarps with 1 row of tubercles between dorsal and intermediate ribs, and usually several tubercles between intermediate and inconspicuous lateral ribs.

Distribution:  Moist shady or open places on sand with much humus, on heath-ground.

S.Aust.: EP, SL, KI.

Conservation status: native

Flowering time: Nov.

SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available

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