Purple calandrinia
Calandrinia ciliata (Calandrinia caulescens, Calandrinia menziesii)

A prostrate annual with 5 petalled, purple flowers from September to November, succulent, leaves and branching stems that reach 25 cm or more in length.

Flowers:

The flowers are solitary and axillary, 15 mm in diameter and borne on 4 angled, short, 6-15 mm, erect, stalks that are shorter than the bracts.
Bracts - Leaf like. Opposite at anthesis becoming alternate when in fruit.
Ovary - Superior, free.
Styles - 3, united for half their length.
Stigmas - 3, the same length as the style.
Sepals - 5-7 mm long when in flower and 10 mm long when in fruit. Acute tip. Keeled with fine hairs on the keel.
Petals - 5. Dark purple, egg shaped, 7-12 mm long by 3-5 mm wide.
Stamens - 10-13.