Plants of
South Australia
Calotis scabiosifolia var. scabiosifolia
Compositae
Rough Burr-daisy
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
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Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
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Botanical art

Kath Alcock paintings: 6.

Etymology

Calotis from the Greek 'kalos' meaning beautiful and 'otos' meaning ear, after the first species named in the genus Calotis cuneifolia which has an ear-shaped pappus. Scabiosifolia from the Latin 'scaber' meaning rough and 'folia' meaning leaves, referring to the rough leaves of the plant.

Distribution and status

Found in the Murray, Flinders Ranges and South Eastern regions of South Australia growing in open woodland and grassland communities, on heavy clay soils in low-lying areas. Also found in Queensland, New South Wales and Victoria. Native. Common in South Australia. Common in the other States.
Herbarium regions: Flinders Ranges, Murray, South Eastern
NRM regions: Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
AVH map: SA distribution map (external link)

Plant description

Stoloniferous perennial herb to 45 cm high. Basal leaves broad-spathulate, 4-18 cm long, 7-40 mm wide. Stem leaves mostly sessile, entire or dentate, elliptic, 0.5-2.5 cm long, 2-10 mm wide. Flower-head solitary or in loose leafy terminal cymes of 2-6 flowers, ray florets white. Flowering between May and October. Fruits are brown round spiny fruit-head. Seeds are brown trianglar seed to 2 mm long, with numerous hairy spine at one end. Seed embryo type is spathulate fully developed.

Seed collection and propagation

Collect seeds between August and November. Collect mature seed heads that are dried and turning brown by picking off the heads and placing them in a paper bag. Be careful as the heads are spiny. Leave the heads in the paper bag to dry for at least a week. No further cleaning required if only the heads are collected. If other material were collected, use a sieve to separate the unwanted material. Whole heads can be stored with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place. Seeds are non-dormant, viable seed should germinate readily.

Seeds stored:
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LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
 
MSB

1,000 (3.4 g)
5031-Oct-2007RJB75374
South Eastern
35%
BGA850 (3.12 g)206-Nov-2012DJD2397
South Eastern
27-Feb-201480%-18°C
BGA1,800 (5.21 g)40+16-Oct-2013KHB800
Flinders Ranges
24-Mar-201565%-18°C
BGA640 (1.94 g)40+21-Dec-2016KHB791
South Eastern
30-Jun-201875%-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:
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