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

Family: Malvaceae
Hibiscus trionum

Citation: L., Sp. Pl. 697 (1753).

Synonymy: Not Applicable

Common name: Bladder ketmia.

Low erect annual to c. 60 cm high, with scattered stellate hairs which are longer on the calyx; leaves palmatipartite into 3 or 5 oblong to spathulate bluntly toothed segments, the lower sometimes simple, shiny, dark-green, the blades 15-60 mm long, on petioles 15-50 mm long.

Peduncles 20-60 mm long; epicalyx of 7-12 free linear segments, 6-9 mm long, sparsely long-hairy; calyx 13-23 mm long (at the lower end of this range when in flower, enlarging in fruit), fused for less than half its length, lobes triangular, sparsely long-hairy, inflated and membranous in fruit; petals pale-yellow, purplish at the base, 15-27 mm long; staminal tube much inflated below, moderately long, with many shortish filaments.

Capsule globular, hairy, enclosed within the inflated calyx, 10-16 mm long; seeds glabrous, smooth, blackish.

image of FSA2_Hibiscus_tri_tri.jpg Hibiscus trionum var. trionum
Image source: fig 435e in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Conservation status: naturalised

Flowering time: No flowering time is available

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

Biology: No text

Taxonomic notes: There is some divergence of opinion on whether to treat the Australian forms of this species as being made up to 2 distinct species, as varieties or as a single taxon. It is also not known to what parts of the world it is strictly native.

Author: Not yet available

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