Peloricism on sepals or am I just being delusional?

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"Peloric" as a botanical term does refer to normally zygomorphic flowers (symmetric across a plane down the center, like orchids) becoming actinomorphic (symmetric around a central axis, like roses or daisies.) But it is used informally by orchid growers to describe petals that have some of the characteristics of the lip. The most extreme are some Phalaenopsis that appear to have three lips. Less extreme are many Cattleyas that have stripes or splashes similar to those on the lip.