Plants of
South Australia
Brachyscome xanthocarpa
Yellow-fruit Daisy
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Regional Species Conservation Assessments per IBRA subregion.
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Brachyscome from the Greek 'brachys' meaning short and 'kome' meaning hair, referring to the tufts of short bristles or hairs of the pappus. Xanthocarpa from the Greek 'xanthos' meaning yellow and 'carpos' meaning fruit, referring to the distinctive yellow colour of the achenes.

Distribution and status

Endemic to South Australia and confined to the Eyre Peninsula in the Venus Bay/Streaky Bay region and Hincks Conservation Park, growing in mallee on sand dunes. Native. Very rare in South Australia.
Herbarium region: Eyre Peninsula
NRM region: Eyre Peninsula
AVH map: SA distribution map (external link)

Plant description

Annual herb to 12 cm high with erect to ascending, short, reddish, sparsely hairy stems. Basal leaves oblanceolate, narrowed at the base, entire to lobed, to 18 mm long, very sparsely pubescent, soon withering. Other leaves obovate to ovate, lobed, to 9 mm long, pubescent. Flowers white to lilac appearing in spring. Fruits are small yellow-brown daisy-head. Seeds are yellow to pale-brown, semi-flat, curved ovoid seed 2 mm long and 0.5 mm wide, covered with wrinkles. Seed embryo type is spatulate fully developed.

Seed collection and propagation

Collect seeds between September and November. Pick heads that are maturing, drying off, with brown seeds that dislodge easily. Place the seed-heads in a tray and leave to dry for a week. Then gently rub the heads 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. From one collection, the seed viability was high, at 80%. This species has physiological dormancy that needs to be overcome for the seed to germinate. For a dormant seed-lot germination can be stimulated by after-ripening for 1 - 6 months at 45°C, followed by germination on water agar containing 250 mg/L gibberellic acid. Other suitable treatments include after-ripening at 15 - 30°C for 6 months followed by germination on gibberellic acid, or stratification at 15°C for 6 months followed by germination on gibberellic acid.

Seeds stored:
LocationNo. of seeds
(weight grams)
of plants
Collection number
Collection location
% ViabilityStorage
BGA450 (0.035 g)9-Oct-2006DJD557
Eyre Peninsula
5,100 (0.6 g)
2,600 (0.31 g)
Eyre Peninsula
1-Jan-201295%+5°C, -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.
Germination table: