Genus Development

This genus of sympodial orchids develop pseudobulbs, which vary in length from under a centimetre (e.g. Dendrobium leucocyanum) to several metres long (e.g. Dendrobium discolor), resembling canes. A few grow into long reedlike stems. Leaf bases form sheaths that completely envelope the stem. In the section Formosae (e.g. Dendrobium infundibulum), the sheaths and undersides of leaves are covered with fine short black hairs. Other species (e.g. Dendrobium senile), are covered with fine white hairs.

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