Plants of
South Australia
Hibbertia fasciculata
Dilleniaceae
Bundled Guinea-flower
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Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
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Botanical art

Kath Alcock paintings: 5.

Etymology

Hibbertia, named after George Hibbert (1757-1837), a London merchant who maintained a private botanic garden at Chelsea. Fasciculata from the Latin fasciculus, meaning fascicle or bundle, referring to the lateral branches.

Distribution and status

Found on Kangaroo Island and in the South-east in South Australia, growing on sandy soils in heathland, heathy woodland and mallee communities. Also found in Queensland, New South Wales, Victoria and Tasmania. Native. Uncommon in South Australia. Common in the other States.
Herbarium regions: Kangaroo Island, South Eastern
NRM regions: Kangaroo Island, South East
AVH map: SA distribution map (external link)

Plant description

Spreading to decumbent shrubs with usually glabrous branches to 0.5 m long; lateral branches usually fascicled, covered with forward-directed straight or crisped simple hairs. Leaves linear, to 21.4 mm long and 0.7 mm wide; glabrous, puberulous or rarely tomentose; apex obtuse, erect to somewhat recurved; margins often recurved; lower surface usually strongly convex with central vein hidden. Flowers bright yellow, sessile, terminal, mainly on short shoots, with 2 triangular bracts. Flowering between September and December. Fruits are brown capsule with 3 carpels; glabrous. Seeds are brown, globular seed to 1.6 mm diameter.

Seed collection and propagation

Collect seeds between November and February. Collect mature capsules 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. From one collection, the seed viability was low, at 30%. This species has morpho-physiological dormancy and can be difficult to germinate.

Seeds stored:
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LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
3,000 (2.71 g)
3,000 (2.71 g)
5012-Dec-2006TST134
Kangaroo Island
1-Aug-200730%-18°C
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.