Thursday 20 September 2018


Pittosporum undulatum is a tree growing to 15m tall with wavy (undulating) leaf edges. It is sometimes also known known as Sweet Pittosporum, Native Daphne, Australian Cheesewood, Victorian Box or Mock Orange. It carries conspicuous orange woody fruits about 1 cm in diameter for several months after flowering in spring or early summer. 

Originally Pittosporum undulatum grew in moist areas on the Australian east coast but has increased its range since European settlement. It is a fast grower, and has become a weed in other parts of Australia where it is not indigenous. It is also highly invasive in South Africa, the Caribbean, Hawaii, the Azores and southern BraThe status of P. undulatum around the Sydney area is contentious. Even though it is native to the region, P. undulatum has spread to soils and bushland where it wasn't found before European settlement, often out-competing other plants. It has done especially well in areas where the environment has been altered by humans - for example by habitat fragmentation weakening other natives, by fertiliser runoff from homes increasing soil nutrients and by the suppression of bushfires near suburbs.

During the Australian Spring (September) the tree is covered with a profusion of flowers that are highly fragrant. A sole tree in flower can scent a large area in the neighbourhood, especially during the evening and night. Orange fruits follow the flowers and these then open up to reveal several sticky reddish seeds.

This post is part of the Floral Friday Fotos meme.

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