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Stylidium Carnivory.


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There are hundreds of species of Stylidium. Of these, only some produce the glands that are capable of capturing insects. The glands are mostly present on the inflorescence but are also present on the stems of some larger growing species. S. debile is not a glandular species.

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Long time lurker, first time poster. In the genus Stylidium it is a rare condition for a species to not have the glandular trichomes underneath the flowers.

NeciFiX, the glandular trichomes are underneath the flowers, generally on the sepals, scape, and even on the underside of the petals.

This photo shows the glandular hairs very nicely. My S. debile has indeed produced these. Most Stylidium species do.

As for carnivory, I consider them fully carnivorous. Douglas Darnowski's work on them will be presented at this year's Botany and Plant Biology Joint Congress in Chicago. While the details are not yet out, his abstract for the conference notes that his team has the evidence that these plants capture prey in the wild, digest them with proteases they produce themselves, and absorb the nutrients.

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