Plants of
South Australia
Arthropodium strictum
Liliaceae
Common Chocolate-lily
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
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

Arthropodium from the Greek 'arthron' meaning a joint and 'podion' meaning a little foot, alluding to the jointed pedicels. Strictus from Latin meaning erect or upright, alluding to the species habit.

Distribution and status

Found in the southern part of South Australia from the Gammon Ranges to the lower South-east, with disjunct occurrences in the far north-west corner. Also found in Northern Territory, Queensland, New South Wales, Victoria and Tasmania. Native. Common in South Australia. Uncommon in Northern Territory. Common in all other States.
Herbarium regions: North Western, Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern
NRM regions: Adelaide and Mount Lofty Ranges, Alinytjara Wilurara, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
AVH map: SA distribution map (external link)

Plant description

Perennial lily with stiff, erect stems to 100 cm high and with long roots ending in fusiform tubers. Leaves to 35cm long and 12mm wide; linear-lanceolate, with old leaf bases fibrous. Inflorescence to 60cm long forming a loose panicle, or reduced to a simple raceme with long leafy bracts at the base of each branch and a lanceolate bract at the base of each pedicel. Flowers scented, solitary, drooping, blue or violet, rarely white; 10-12 mm long with anthers dark-purple, the 2 appendages much shorter, yellow. Fruits are pale-brown ovoid capsule to 8mm long, containing numerous seeds. Seeds are black, sectoroid or pyramidal seed to 2mm long and 2mm wide, with smooth or slightly wrinkled surface. Seed embryo type is linear fully developed.

Seed collection and propagation

Collect seeds between November and January. Collect mature capsules, those that are turning a pale straw colour and contain black seeds. collect individual capsules or break off the whole spike. Place the capsules in a tray and leave to dry for 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 From three collections, the seed viability was high, at 100%.

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

1,400 (2.108 g)
30-4023-Nov-2005DJD218
Flinders Ranges
BGA 
MSB
3,000 (12.05 g)
3,000 (12.05 g)
1005-Feb-2004MKJ24B
Southern Lofty
14-Aug-2006100%-18°C
 
MSB

7,100 (20.75 g)
100+4-Dec-2007TST261
Southern Lofty
90%
BGA2,600 (3.67 g)100+11-Jan-2007PJA151
Southern Lofty
20-Jul-2009100%-18°C
BGA3,400 (14.67 g)40+30-Oct-2013DJD2700
North Western
24-Mar-2015100%-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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