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I'm afraid that ID is unlikely unless at least continent of origin could be confirmed (likely to be either Africa or Asia). Microstylum is a large genus, and both geographic regions just mentioned have an array of species that look similar to your two. Perhaps the most common are two Madagascar species: M. magnum Bromley (long, slender type) and M. cilipes Macq. (more robust & colorful species, males often with modified spurs on the middle legs).