Plants of South Eastern New South Wales
Tribulus micrococcus
Common name
Yellow Vine, Spineless Caltrop
Family
Zygophyllaceae
Where found
On clay and loam soils, and disturbed sites. Western Slopes and north from Campbelltown. Mainly on the Western Slopes and Western Plains north and west of the area covered by this key.
Notes
Herb, mostly prostrate, stems to more than 1 m long. 'Seeds' often spiny. Hairy. Leaves opposite each other, compound, with 8-14 leaflets each 0.4–1.3 cm long, 1.5–4.5 mm wide. Flowers yellow, with 5 petals each 5–15 mm long. Flowers single. Flowering: Nov.–Aug. Seed cases with 5 sections, each with poorly developed spines, often with 2 short divergent spines pointing up, and 0.5–2.5 mm long.
PlantNET notes that whether it is actually a native plant needs investigation.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Tribulus~micrococcus (accessed 10 February, 2021)
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