[Age stages in the ontogeny of cultivated Panax ginseng C.A. Mey].

The ontogeny of perennial polycarpic herb Panax ginseng C. A. Mey. (Araliaceae) under plantation conditions was described. Three periods (latent, pregenerative, and generative) and eight age stages have been identified in the ontogeny of cultivated P. ginseng. The generative period of this species is the longest ontogenetic period, which determines the timing of its cultivation in plantations.