Seeds of South Australia
Dichromochlamys dentatifolia (Compositae)
Tooth-leaved Daisy.
List of species for Dichromochlamys
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Seed collecting:
October to December
Herbarium regions:
North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern
NRM regions:
Alinytjara Wilurara, South Australian Arid Lands
IBRA regions
SUMMARY
Northern Flinders (FLB05)Flinders Lofty Block
 Least Concern
Dieri (SSD03)Simpson Strzelecki Dunefields
 Least Concern
Warriner (SSD04) 
 Least Concern
Breakaways (STP01)Stony Plains
 Least Concern
Oodnadatta (STP02) 
 Least Concern
Murnpeowie (STP03) 
 Least Concern
Peake-Dennison Inlier (STP04) 
 Least Concern
Witjira (STP06) 
 Least Concern
Baltana (STP07) 
 Least Concern
Sturt Stony Desert (CHC02)Channel Country
 Least Concern
Coongie (CHC06) 
 Least Concern
Everard Block (CER03)Central Ranges
 Least Concern
Tieyon (FIN03)Finke
 Least Concern
IBRA regions
DISPLAY ALL
Northern Flinders (FLB05)Flinders Lofty BlockLeast Concern
2 of 4 subregionsSimpson Strzelecki DunefieldsLeast Concern
6 of 7 subregionsStony PlainsLeast Concern
2 of 4 subregionsChannel CountryLeast Concern
Everard Block (CER03)Central RangesLeast Concern
Tieyon (FIN03)FinkeLeast Concern
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 Dichromochlamys]
Name derivation:
Dichromochlamys from the Greek 'dis' meaning double, 'chroma' meaning colour and 'chlamys' meaning cloak; referring to the involucre in which the dark coloured backs of the phyllaries contrast with the white scarious margins. Dentatifolia from the Latin 'dentata' meaning toothed and 'folium' meaning a leaf; referring to the species toothed leaves. 
Distribution:
Found in the north and north-east parts of South Australia, growing in grassland and saltbush communities on stony soils. Also found in Western Australia, Northern Territory, Queensland and New South Wales.
Status:
Native. Common in South Australia. Rare in New South Wales. Uncommon in Western Australia. Common in the other states.
Plant description:
Annual herb to 25 cm high, stems decumbent to ascending, villous to woolly, rarely glabrous. Leaves narrow-spathulate to oblong-cuneate, to 3.5 cm long and 10 mm wide, margins toothed apically or rarely entire, surfaces villous to woolly, rarely glabrous, glandular, base petiole-like. Flower-heads to 12 mm diameter with small white to pink petals. Flowers in spring.
Fruit type:
Round creamy, fluffy daisy-head.
Seed type:
Orange, flat ovoid seed to 2 mm Long and 1 mm wide, covered in creamy hairs and long pappus.
Embryo type:
Spatulate fully developed.
Seed collecting:
Collect heads that are fluffy (seeds still attached), seeds should come off easily with your fingers.
Seed cleaning:
Place the pods in a tray and leave to dry for a week. No further cleaning is required if only the seed were collected. 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 one collection, the seed viability was high, at 95%.
Seed germination:
Seeds are non-dormant, viable seed should germinate readily.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA7600 (3.02 g)10+5-Oct-2010DJD1940
Lake Eyre
1-Jan-201295%-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.