They have adventegious roots, like corn. Mine throws roots up and down the stem. They respond well to a good fertilizer regime during growth. Mine was your duze two years ago, now it fills a 10" pot. You don't say where you live but here, I put mine in full sun for the summer. When growth sliws uou may hold back in water if it doesn't bloom. Hopes this helps.
Reed stem shoots may actually form anywhere on the stem, although usually near the base. Mine had one just below the inflorescence. No matter how high they form, they will develop roots. A keikis stimulating hormone may aid the process.
I agree it's a reed stem Epidendrum. You don't say where you live, but if humidity is low, be on the lookout for spider mites. As the plant grows you can put it into more and more sun. They bloom best in very high light. Most can't take full summer sun unless right on the coast, though.
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