Seeds of South Australia
Dicrastylis verticillata (Chloanthaceae)
Whorled Sand-sage
List of species for Dicrastylis
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Seed collecting:
December to March
Herbarium regions:
Gairdner-Torrens, Eyre Peninsula, Murray
NRM regions:
Eyre Peninsula, South Australian Arid Lands, South Australian Murray-Darling Basin
IBRA regions
Eyre Hills (EYB03)Eyre Yorke Block
 Least Concern   [needs sand]
Talia (EYB04) 
 Rare   (IUCN: RA d(i,ii))   [needs sand]
Eyre Mallee (EYB05) 
 Least Concern   [needs sand]
South Olary Plain (MDD01)Murray Darling Depression
 Least Concern   [grows in red sandhills]
Murray Mallee (MDD02) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)
Lowan Mallee (MDD04) 
 Rare   (IUCN: RA d(i,ii))
Murray Scroll Belt (RIV06)Riverina
 Rare   (IUCN: RA d(i,ii))   [restricted habitat]
Myall Plains (GAW01)Gawler
 Rare   (IUCN: RA d(ii))   [needs sand]
Gawler Volcanics (GAW02) 
 Rare   (IUCN: RA d(ii))   [needs sand]
Yellabinna (GVD06)Great Victoria Desert
 Least Concern   [needs sand]
Yalata (NUL03)Nullarbor
 Rare   (IUCN: RA d(i,ii))   [needs sand]
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 Dicrastylis]
Name derivation:
Dicrastylis from the Greek 'dicroos' meaning forked and 'stylos' meaning a style, alluding to the deeply 2-branched style. Verticillata refers to the leaves and flowers arranged in whorls, or seemingly so.
Found on the northern Eyre Peninsula and in the Murray region in South Australia, growing in mallee on deep red sand. Also found in New South Wales.
Native. Common in South Australia. Uncommon in New South Wales.
Plant description:
Low shrub to 65 cm high; stem grey-tomentose, with branchlets 3 per node. Leaves 3 at a node, sometimes more, sessile; narrow-linear or linear-lanceolate, obtuse, with recurved margins; to 2.2 cm long and 4 mm broad, rugose and pubescent above, grey-tomentose beneath. Flower-spike terminal, with white flowers, unequally 5-lobed arranged in verticillate clusters of 3 cymes per axil. Flowering between September and December.            
Fruit type:
White spongy ball.
Seed type:
Woody orange ovoid seed to 2.5 mm long and 2 mm wide, covered in hairs.
Seed collecting:
Collect mature fruits that are white and spongy. May need to collect a lot as most will not have any viable seeds. 
Seed cleaning:
Place the fruit in a tray and leave to dry for 1 to 2 weeks. Then rub the dried fruits with a rubber bung to dislodge the seeds. Use a sieve to separate any 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.
Seed viability:
From one collection, the seed viability was low, at 10%.
Seeds stored:
LocationNo. of seeds
(weight grams)
of plants
Collection number
Collection location
% ViabilityStorage
4650 (7.97 g)
4650 (7.97 g)
Eyre Peninsula
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.