Claim: Polyembryony is a term used in botany to to describe the phenomenon of seedlings emerging from one embryo, in which Around 20 genera of gymnospores (a group of seed-producing plants) undergo polyembryony.
Evidence: The term is also used in botany to describe the phenomenon of seedlings emerging from one embryo. Around 20 genera of gymnospores undergo polyembryony, termed "cleavage polyembryony," where the original zygote splits into many identical embryos. The gymnosperms, also known as Acrogymnospermae, are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes.