Gap-free genome-based analyses of the origin and adaptation of a globally invasive polyploid hydrophyte.

Abstract excerpt

Water hyacinth (Pontederia crassipes), an allotetraploid species, is among the most ecologically successful aquatic plants, exhibiting two remarkable adaptive traits: tristyly, a rare floral polymorphism promoting outcrossing, and inflated petioles (floats) that facilitate buoyancy. However, the genetic and evolutionary mechanisms underlying these traits in a polyploid context remain poorly understood. We...

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