PlantaeDB Logo
Login Sign-up

Genus Salvia in Family Lamiaceae

In botanical taxonomy, a genus (plural genera) is a rank used to group closely related species within a family. In the hierarchy, genus sits below family and above species.

Genera are defined by shared morphological, anatomical, and genetic characteristics (for example, features of flowers, fruits, seeds, or leaves) that indicate a close evolutionary relationship among the species they contain.

Each genus can include one or more species. Examples include Rosa (roses) and Solanum (nightshades, including tomato and eggplant).

Do you wish to read more about plant taxonomy? Click here!

Genus Description

Suggest a correction!

Salvia L. (family Lamiaceae) comprises approximately 1,000 species and is distributed worldwide from temperate to tropical regions, with centers in the Mediterranean, the Americas, and eastern Asia. It is typified by Salvia officinalis L. (POWO, 2024; Walker et al., 2015). Diagnostic traits include a square stem, opposite leaves often bearing glandular trichomes, usually reduced or absent stipules, and typically an indumentum of peltate hairs or simple trichomes. The inflorescences are terminal spikes or thyrses with whorls of flowers; the bilabiate corolla features a well-developed upper lip and a frequently pronounced lower lip that provides a landing platform. The gynoecium is deeply four-lobed with a basal disc; the mature fruit consists of four mericarps (nutlets) with smooth, mucilaginous exocarps that facilitate adhesion after wetting.

Diversity and range are uneven: high species richness occurs in the Mediterranean basin and North Africa, the southwestern United States and Mexico, and eastern Asia, with numerous endemics in mountain systems and Mediterranean-type climates. Salvia occupies scrubland, chaparral, rocky slopes, and open woodland, from near sea level to alpine elevations. New World and Old World lineages show distinct biogeographic histories shaped by aridification and orogeny (Walker et al., 2015).

Intrinsic biology is primarily entomophilous, with bee pollination widespread and occasional specialization for hawkmoths or hummingbirds; seed dispersal is largely passive, with mericarp mucilage aiding short-distance transport after rainfall. Chromosome counts vary across clades; a base number of x=15 is widely reported in North American taxa (Drew & Sytsma, 2012).

Taxonomically, major clades roughly correspond to Mediterranean–Old World Salvia, the New World “section Audibertia” complex, and a third, more heterogeneous lineage, but ranks are not uniformly applied. Recent molecular work and morphological analyses have supported the inclusion of former genera such as Rosmarinus within Salvia (J. B. Walker et al., 2015). Alternate treatments that segregate parts of Salvia into separate genera (e.g., Jung & Ruoho, 2015) continue to receive critical evaluation but are not accepted in current global frameworks (POWO, 2024; WFO, 2024).

Human relevance is notable in horticulture (ornamental salvias and culinary sage), in culinary products (S. officinalis), and as invasive species in some regions; scientific value is also substantial in studies of pollination and chromosome evolution (J. B. Walker et al., 2015).

Conservation and outlook are complicated by the genus’s breadth: numerous narrow endemics face habitat loss, while core species remain common, but ongoing phylogenetic and nomenclatural refinements will clarify species limits and inform conservation priorities (Drew & Sytsma, 2012).

Pick a Species to see its components: