The opening to Daphne du Maurier’s Rebeca features one of the most famous depictions of rhododendrons of all-time as they twist their way around into the Unnamed Narrator’s imagination as she imagines how the famed Manderley estate’s “Rhododendrons stood 50 feet high.” The rhododendrons at Manderley itself are no less imposing, being described as being “twisted and entwined with bracken” as though in an “alien marriage with a host of nameless shrubs” while appearing like…