Rubieae is a

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English is in the discipline of anthropology. This definition is contested, in part due to confl ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants t ...

s in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Rubiaceae The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules a ...

and contains 970

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriat ...

in 15

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

. The genus '' Galium'' is responsible for more than two thirds of the species in the tribe. The second largest genus is ''

Asperula ''Asperula'', commonly known as woodruff, is a genus of flowering plants in the family Rubiaceae. It contains 194 species and has a wide distribution area from Europe, northern Africa, temperate and subtropical Asia to Australasia. Species * ' ...

'', which contains about 200 species. Unlike the rest of the family

, the tribe contains predominantly perennial and annual herbs with pseudowhorls of leaves and leaflike stipules and is centered in temperate and tropical-mountain regions.

Genera

Currently accepted names *''

'' L. (191 sp) *'' Callipeltis'' Steven (3 sp) *'' Crucianella'' L. (31 sp) *'' Cruciata'' Mill. (8 sp) *'' Didymaea'' Hook.f. (8 sp) * × ''Galiasperula'' Ronniger (1 sp) *'' Galium'' L. (631 sp) *'' Kelloggia'' Torr. ex

Benth. George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studie ...

Hook.f. Sir Joseph Dalton Hooker (30 June 1817 – 10 December 1911) was a British botanist and explorer in the 19th century. He was a founder of geographical botany and Charles Darwin's closest friend. For twenty years he served as director of t ...

(2 sp) *'' Mericarpaea'' Boiss. (1 sp) *' Schrenk (1 sp) *'' Phuopsis'' Steven (1 sp) *'' Pseudogalium'' L.E Yang, Z.L.Nie & H.Sun (1 sp) *'' Rubia'' L. (83 sp) *'' Sherardia'' L. (1 sp) *'' Valantia'' L. (7 sp) Synonyms *'' Asperugalium'' P.Fourn. = × ''Galiasperula'' *''Relbunium'' ( Endl.)

= '' Galium'' *''Warburgina'' Eig = '' Callipeltis''

References

External links

* *
World Checklist of Rubiaceae
Rubioideae tribes {{Rubioideae-stub