Heriansyah, P.; Aziz, S. A.; Sukma, D.; Nurcholis, W. Dynamics of Nutrient Concentrations, Endogenous Hormones, Photosynthetic Capacity, and Phenological Changes in Black Orchid (Coelogyne Pandurata Lindl.) from the Vegetative to Generative Phase. JTCS 2025, 12, 215-234.