Rosette (botany) arrangement has been confirmed to improve survival, help water balance, or protect the plant from cold injury are "Espeletia schultzii" and "Espeletia timotensis", both from the Andes. The rosette form is the structure, the relationship of the parts, and the variations within it, as shown in the following study from a herbarium: As form then, "rosette" is used to describe plants that perpetually grow as a rosette and the immature stage of plants such as some ferns. Rosette (botany) In botany, a rosette is a circular arrangement of leaves or of structures resembling leaves. In flowering plants, rosettes usually sit
Calyx (anatomy) Calyx (anatomy) Calyx is a term used in animal anatomy for some cuplike areas or structures. Latin, from "calyx" (from Ancient Greek "κάλυξ, "case of a bud, husk"). The spicules containing the basal portion of the upper tentacular part of the polyp of some soft corals (also called "calice"). A body part of the Entoprocta from which tentacles arise and the mouth and anus are located. The body disk that is covered with a leathery tegumen containing calcareous plates (in crinoids and ophiuroids the main part of the body where the viscera are located). Either a minor calyx in the