Iga flowering cycle

The Iga tree (Capparis Mitchellii) is seen flowering in the northern Flinders Ranges and Gammon Ranges in summer. The Iga a food source for the White Caper Butterfly larvae.

A member of the Capparaceae family, the flowers are among the largest and showiest seen in the area. Budding is profuse and staggered through the flowering season.

Stamens (male) and stigma (female) developing in the bud (magnification 20x).

A stigma emerges from an opening bud.

Petals open to a dazzling array of stamens (approximately 50mm long) with the stigma held high, holding their form for sometimes only a single day in the summer heat.

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Caper White Butterfly

Caper White Butterflies (Belenois java) are a migratory species which breed on inland caper bushes and sandalwood. They were seen in abundance surrounding Iga trees throughout the Northern Flinders and Gammon Ranges in November following a heavy rain. Igas are a laval food plant for the Caper White caterpillars and eggs are laid directly onto the leaves.

Caper White Butterfly eggs on Iga leaves.

More information about Caper White Butterflies available at Butterfly Conservation SA.

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Athel Pine

Athel Pine, Tamarix aphylla, is an introduced species from Africa. A highly successful coloniser in saline waterways, Athel Pine is further proliferating with every wet season along the inlet and surrounding flood plains of Copley Retention Dam, growing into thickets along the shoreline. Seen flowering in May.