Family: Zygophyllaceae
Tribulus astrocarpus
Citation:
F. Muell., Fragm. Phyt. Aust. 12:4 (1882).
Synonymy: Not Applicable Common name: None
Description:
Prostrate pubescent or glabrescent annual; leaves alternate, with 3-6 pairs of leaflets; leaflets ovate-cuneate or oblong, 4-10 mm long.
Flowers c. 8 mm diam.; petals slightly exceeding the calyx.
Fruit stellate, 20-25 mm across including 5 rigid subulate horizontally spreading spines, with a short conical centre on the upper face of the fruit and a tubercle between the spines which split along a central line, forming 5 hard cocci each bearing 2 halves of longitudinally halved spines of 2 adjacent carpels (1 on each side) and containing 2 or 3 superimposed seeds in its basal part.
| Tribulus astrocarpus fruit
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Image source: fig 392c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Distribution:
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S.Aust.: NW, LE. W.Aust.; N.T.; Qld.
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Conservation status:
native
Flowering time: Mamh — Oct.
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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