Epitypification with an emended description of Tropidia connata (Orchidaceae, Epidendroideae, Tropidieae)

Epitypification with an emended description of Tropidia connata (Orchidaceae, Epidendroideae, Tropidieae)

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We found several specimens of Tropidia connata, a mycoheterotrophic orchid from Borneo, with features which have never been described MANUKA HONEY 100+MGO in any of the existing literature, namely subterranean tubers.We mainly focus on the importance of the subterranean structures in comparison with the mycoheterotrophic genus Kalimantanorchis from the tribe Tropidieae.This finding of the tuberous structure gives a new insight into the FLORALAX II classification of mycoheterotrohic species of Tropidieae and might affect the generic placement of Kalimantanorchis.

We made a detailed study on the newly discovered specimens as well as the type, and found more diagnostic characters of T.connata than the previous description.Considering that the type specimen lacks the whole tuberous character, we consequently designate an epitype with a drawing and emend the description.