Seeds of South Australia
Xanthorrhoea minor ssp. lutea (Liliaceae)
Little Grass-tree
List of species for Xanthorrhoea
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Seed collecting:
December to February
Herbarium region:
South Eastern
NRM region:
South East
IBRA regions
Mount Gambier (SVP02)Southern Volcanic Plain
 Vulnerable   (IUCN: VU D2)   [(no records) T Horn has seen a few plants]
Glenelg Plain (NCP02)Naracoorte Coastal Plain
 Vulnerable   (IUCN: VU D2)   [almost entire SA pop; T Horn: in reserve system, hard to ID]
RSCA map:
Regional Species Conservation Assessments per IBRA subregion. Please click the thumbnail map.
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Xanthorrhoea]
Name derivation:
Xanthorrhoea from the Greek 'xanthos' meaning yellow and 'rheo' meaning to flow; referring to the yellow resin that is often produced from the leaves. Minor from Latin meaning small; referring to the species smaller size compare with the other members of the genus. Lutea from the Latin 'luteum' meaning yellow; referring to the yellow colour inner tepals.
Distribution:
Found in the South-east in South Australia, growing in heavy clay soil. Also found in New South Wales and Victoria.
Status:
Native. Rare in South Australia. Rare in New South Wales. Common in Victoria.
Plant description:
Small shrub with stem almost totally subterranean and branched under ground. Leaves forming an erect tuft, depressed obtriangular, or often concave in cross-section, to 3.5 mm wide and 1.5 mm thick, green, not glaucous. Inflorescence with flower-bearing part to 30 cm long and 25 mm diameter with numerous flowers, with the inner tepals yellow.. Flowering between October to November.
Fruit type:
Numerous woody capsules maturing to dark brown along the spike. Capsule split into three segments, each containing one black seed.
Seed type:
Flat pyrimid-like black seed to 9 mm long and 5 mm wide.
Embryo type:
Linear under-developed.
Seed collecting:
Cut off fruit spikes that have mature capsules, usually turning dark brown or beginning to split. The seeds inside should be black.
Seed cleaning:
Place the fruit spikes in a tray or bucket and leave to dry for 3-4 weeks or until most of the capsules split. Then shake the fruit spike in a bucket to dislodge the seeds. 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.
Seed viability:
From on collection, the seed viability was high, at 90%.
Seed germination:
Seeds are non-dormant, viable seed should germinate readily without any treatment.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
1800 (14.23 g)
1700 (12.9 g)
30+20-Jan-2010MJT267
South Eastern
Jun-201090%-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.