You wouldn’t have guessed it from Jason Wu’s collection of relatively simple uptown wares, but he was inspired by the fabulously eccentric Iris Apfel. “One of her looks became five of my looks,” he explained post-show. The connection, however, was subtle. Wu stuck to his stable of pretty, posh designs: tulip skirts, tweed ensembles and draped chiffon dresses. Highlights included a khaki trench dress and a chiffon-trimmed T-shirt — the latter, Wu noted, he paired with Van Cleef & Arpels bracelets to reflect his muse’s high-low sensibility.