Sport (botany) Sport (botany) In botany, a sport or bud sport, traditionally called lusus, is a part of a plant that shows morphological differences from the rest of the plant. Sports may differ by foliage shape or color, flowers, or branch structure. Sports with desirable characteristics are often propagated vegetatively to form new cultivars that retain the characteristics of the new morphology. Such selections are often prone to "reversion", meaning that part or all of the plant reverts to its original form. An example of a bud sport is the nectarine, at least some of which developed as a bud sport from
Discodermia calyx from it called calyculin A, which is a colorless oil used in a variety of different studies in modern medicine. "D. calyx" belongs to the Animalia family. Its phylum is "Porifera", which is characterizes it as a sponge. "D. calyx" belongs to the class demospongia and the order tetractinallida. The family that it belongs to is theonellida. Finally, the correct binomial nomenclature for this species of sponge is "Discodermia calyx", which indicates its genus and species. "D. calyx" has no colloquial name, as it is known primarily in scientific and medicinal contexts. "D. calyx" is one of a few sponges