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Isotoma petraea
Isotoma petraea, commonly known as rock isotome, is a small, herbaceous plant in the family Campanulaceae occurring in arid regions of Australia. It has single, purplish-blue flowers on smooth, slender branches from February to November.
It is found on breakways, among rocky outcrops and in rock crevices in the Mid West, Wheatbelt and Goldfields-Esperance regions of Western Australia where it grows in shallow sandy soils over granite. In New South Wales it grows west of Wilcannia mostly on slopes and rocky locations on shallow granite based soils. In South Australia it is a widespread species growing in rocky locations.
Text excerpted from the Wikipedia article Isotoma petraea by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
