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Prostanthera is a group of plants commonly known as mint bushes because of their aromatic foliage. Around 100 species are endemic to Australia and 15 of these are under threat of extinction. Mint bushes are a key part of many plant communities and important and popular to the horticultural industry because they grow fast and look spectacular when flowering.
Researchers from Adelaide Botanic Garden are building an understanding of seed dormancy in Prostanthera to improve success with seed germination. Their research findings will help to conserve the rare species and enable greater number of species to be utilised by the nursery and horticultural industry.