Data from: Floral scents of a deceptive plant are hyperdiverse and under population-specific phenotypic selection

Floral scent is a key mediator in plant–pollinator interactions; however,
little is known to what extent intraspecific scent variation is shaped by
phenotypic selection, with no information yet in deceptive plants. We
recorded 289 scent compounds in deceptive moth fly-pollinated Arum
maculatum from various populations north vs. south of the Alps, the
highest number so far reported in a single plant species. Scent and fruit
set differed between regions, and some, but not all differences in scent
could be explained by differential phenotypic selection in northern vs.
southern populations. Our study is the first to provide evidence that
phenotypic selection is involved in shaping geographic patterns of floral
scent in deceptive plants. The hyperdiverse scent of A. maculatum might
result from the plant’s imitation of various brood substrates of its
pollinators.