Since this index is valuable only for a reader familiar with systematic botany, I give only the most recent latin name for each the plant. Synonyms for higher taxa are, however, included. Most browsers format multiply nested lists in a rather ugly way, but in order to stay standard-conforming, I have restrained from using special formatting tools.
Any taxon is listed if and only if it contains at least one spice plant.
The system I use is, I hope, rather modern, but since I am no botanist, I am open to suggestions. The division encompasses all plants that multiply by seeds. The gymnosperms, or naked-seeded plants, are the very oldest plants that bear seeds. This subdivision gave rise to many species in the early mesozoicum, but today about half of its classes are extinct. Many modern species live in ecological niches, where they can escape the concurrent Magnoliophytina .