An early-diverging Caladeniinae orchid reveals diversification of terpene and apocarotenoid pathways underlying floral scent evolution
Orchids exhibit extraordinary floral diversity, yet the molecular mechanisms underlying floral scent evolution remain poorly understood. Guided by recent phylogenomic reconstruction of the Australian orchid subtribe Caladeniinae, we used Glossodia major, an earlier-diverging food-deceptive lineage, as an evolutionary anchor for investigating floral volatile diversification. Scent-producing petals…
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