This approximate four-week-old ninja fruit is starting to mature to adulthood. Primordium cells the are the smallest group of cell able to trigger organ growth. During this development phase, both pistillate (female) and staminate (male) of C. Sativa species are indistinguishable with the exception of general trends in shape.
Clarke, R. C. (1981). Marijuana botany an advanced study: The propagation and breeding of distinctive cannabis. Oakland, CA: Ronin Publishing.
Kidner, C. A. (2001). Plant organ primordia. Els () John Wiley & Sons, Ltd.