Plants of
South Australia
Hibbertia empetrifolia ssp. radians
Scrambling Guinea-flower
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Critically endangered
Data deficient
Coober Pedy
Mount Gambier
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Prior names

Hibbertia aspera, partly

Hibbertia sp."B"

Hibbertia sp. B

Hibbertia billardierei var. parviflora

Hibbertia billardierei


Hibbertia, named after George Hibbert (1757-1837), a London merchant who maintained a private botanic garden at Chelsea. Empetrifolia means having leaves like the genus Empetrum (Crowberry). Radians from Latin meaning radiating, referring to the characteristic broad-tuberculed radiating stellate hairs on leaves of the subspecies.

Distribution and status

Endemic to South Australia and found on Kangaroo Island and Fleurieu Peninsula, growing on shallow lateritic soil, often with ironstone in woodland or mallee but also in scrub or disturbed vegetation. Native. Uncommon in South Australia.
Herbarium regions: Southern Lofty, Kangaroo Island
NRM regions: Adelaide and Mount Lofty Ranges, Kangaroo Island
AVH map: SA distribution map (external link)

Plant description

Shrublets with prostrate, rarely decumbent, slightly woody branches to 35 cm long; covered more or less with large broad-tuberculed, multi-angular radiating stellate hairs, between/over smaller antrorse or erect stellate hairs on branches, upper leaf surface, lower petiole, the lower central vein and calyx, all with a broad disc of base cells, sometimes interspersed with very small unicellular hooked hairs without tubercule base, on upper leaf surface and calyx. Flowers small yellow on a long stalk. Flowering between August and December. Fruits are brown ovoid capsule.

Seed collection and propagation

Collect seeds between October and January. Collect mature capsules, those that are turning a pale straw colour and contain brown seeds. Place the capsules in a tray and leave to dry for one to two weeks. Then rub the capsules gently by hand to dislodge the seeds. Use a sieve to separate the unwanted material. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place. This genus tends to have low seed viability. This species has morpho-physiological dormancy and can be difficult to germinate.