Pandorea pandorana, the Wonga-wonga vine, is a member of the Bignoniaceae family. It is a vigorous woody climber found over an extensive area of eastern Australia in many differing environments. While more usually associated with moist forest habitats, it is also found in sandy soils close to the coast, in richer loams of volcanic origin, rocky situations in drier areas, and rainforest verges. It is often a persistent species in disturbed or cleared areas.
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In forest conditions the plant may be difficult to see. It grows rapidly into the canopy and quite often the only indication of its presence will be liana vines reaching into the canopy and, during spring, the fallen flowers littering the forest floor. In more open forests it is a prominent species scrambling through the undershrubs. The leaves are easily distinguished, being pinnate and very glossy. An individual leaf consists of from five to nine leaflets that are ovate in shape and from 7 to 8 cm long.
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spring the massed tubular flowers are very conspicuous. They can vary from white or cream to brown and often have maroon or purple striations in the throat of each blossom.
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Seed is formed in a pod-like capsule from 4 to 7 cm long. The capsule opens to reveal copious quantities of flattened seeds, each one with a membranous, encircling 'wing'.
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The original selection of Pandorea 'Golden Showers' was made by the Australian National Botanic Gardens from a naturally occurring plant of Pandorea pandorana growing near Kempsey in New South Wales in 1967. The cultivar name 'Golden Showers' refers to the golden-brown pendulous inflorescences. This cultivar will tolerate light frosts but could not be regarded as frost-hardy. If grown in cold environments it would require some protection, either by careful siting in protected positions near buildings or under a protecting plant canopy. It would be difficult to establish in 'frost hollows' where cold winter air has a tendency to pool.
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