Seeds of South Australia
Tribulus eichlerianus (Zygophyllaceae)
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List of species for Tribulus
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Seed collecting:
April to November
Herbarium regions:
North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern
NRM regions:
Alinytjara Wilurara, South Australian Arid Lands
IBRA regions
SUMMARY
Olary Spur (FLB03)Flinders Lofty Block
 Near Threatened   (Probable Decline)   [under collected; threatened by crossing with weedy spp.]
Northern Flinders (FLB05) 
 Least Concern
Myall Plains (GAW01)Gawler
 Rare   (IUCN: RA d(ii))   [records not databased, could be crossing with other Tribuls spp.]
Gawler Lakes (GAW03) 
 Least Concern
Arcoona Plateau (GAW04) 
 Least Concern
Kingoonya (GAW05) 
 Least Concern
Torrens (GAW06) 
 Least Concern
Roxby (GAW07) 
 Least Concern
Maralinga (GVD03)Great Victoria Desert
 Least Concern
Kintore (GVD04) 
 Near Threatened
Tallaringa (GVD05) 
 Least Concern
Nullarbor Plain (NUL02)Nullarbor
 Least Concern
Barrier Range (BHC01)Broken Hill Complex
 Near Threatened   (Probable Decline)   [under collected; threatened by crossing with weedy spp.]
Curnamona (BHC06) 
 Near Threatened   (Probable Decline)   [under collected; threatened by crossing with weedy spp.]
Simpson Desert (SSD02)Simpson Strzelecki Dunefields
 Least Concern
Dieri (SSD03) 
 Least Concern
Warriner (SSD04) 
 Least Concern
Strzelecki Desert (SSD05) 
 Least Concern
Breakaways (STP01)Stony Plains
 Least Concern
Oodnadatta (STP02) 
 Least Concern
Murnpeowie (STP03) 
 Least Concern
Peake-Dennison Inlier (STP04) 
 Least Concern
Macumba (STP05) 
 Least Concern
Witjira (STP06) 
 Least Concern
Baltana (STP07) 
 Least Concern
Sturt Stony Desert (CHC02)Channel Country
 Least Concern
Diamantina-Eyre (CHC04) 
 Least Concern
Coongie (CHC06) 
 Least Concern
Lake Pure (CHC07) 
 Least Concern
Mann-Musgrave Block (CER01)Central Ranges
 Near Threatened
Everard Block (CER03) 
 Least Concern
Tieyon (FIN03)Finke
 Least Concern
Pedirka (FIN04) 
 Least Concern
IBRA regions
DISPLAY ALL
2 of 6 subregionsFlinders Lofty BlockLeast Concern
, Near Threatened
6 of 8 subregionsGawlerLeast Concern
, Rare
3 of 4 subregionsGreat Victoria DesertLeast Concern
, Near Threatened
Nullarbor Plain (NUL02)NullarborLeast Concern
2 of 4 subregionsBroken Hill ComplexNear Threatened
4 of 4 subregionsSimpson Strzelecki DunefieldsLeast Concern
7 of 7 subregionsStony PlainsLeast Concern
4 of 4 subregionsChannel CountryLeast Concern
2 of 3 subregionsCentral RangesLeast Concern
, Near Threatened
2 of 2 subregionsFinkeLeast 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 Tribulus]
Name derivation:
Tribulus from the Greek 'tribolos' meaning water-chestnut and translated into Latin as 'tribulos' which originally meant the caltrop, a 4-pointed military instrument, employed to lame advancing cavalry, and the name also applied to Tribulus terrestris. Eichlerianus named after Hansjörg Eichler (1916-1992), a German born botanist who took up the position of first Keeper of the State Herbarium of South Australia in 1955, and in 1973 was appointed as Curator of Herbarium Australiense, Australian Capital Territory, where he remained until his retirement in 1981.
Distribution:
Found across the northern part of South Australia, growing on red sandy soil. Also found in Western Australia, Northern Territory, Queensland and New South Wales.
Status:
Native. Common in South Australia. Uncommon in Western Australia. Common in the other states.
Plant description:
Prostrate or ascending herb with hairy branches to 1 m long. Leaves with 6–9 pairs of leaflets, leaflets oblong, to 15 mm long and 6 mm wide. Flowers yellow with 5 petals to 9 mm long and sepals to 7 mm long. Flowering between February and September.
Fruit type:
Hairy woody fruit to 8 mm long with numerous spines, breaking into 4 segments.
Seed type:
3-5 seeds contain in each woody fruit segment.
Embryo type:
Spatulate fully developed.
Seed collecting:
Collect fruits that are hard and turning brown. Some fruits maybe split and laying on the ground. Be careful when collecting as the fruits are spiny.
Seed cleaning:
No further cleaning is required if only fruits are 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 germination:
This species have physical and physiological dormancies that needs to be overcome for the seed to germinate.