Calycosia

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Gentianales

Familia: Rubiaceae
Subfamilia: Rubioideae
Tribus: Psychotrieae
Genus: Calycosia
Species: C. callithrix – C. kajewskii – C. lageniformis – C. macrocyatha – C. mamosei – C. petiolata – C. sessilis
Name

Calycosia A.Gray, Proc. Amer. Acad. Arts 4: 47. (1860)

Type species: Non designatus; genus described with two species, Calycosia petiolata and Calycosia sessilis (Tropicos, 2020)

Note: None of the above have equivalent combinations in Psychotria.
References

Gray, A. 1860. Proceedings of the American Academy of Arts and Sciences 4: 47.
Govaerts, R. et al. 2020. Calycosia in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Feb. 5. Reference page.
International Plant Names Index. 2020. Calycosia. Published online. Accessed: Feb. 5 2020.
Tropicos.org 2020. Calycosia. Missouri Botanical Garden. Published on the internet. Accessed: 2020 Feb. 5.

Calycosia is a genus of flowering plants in the family Rubiaceae. It was described by Asa Gray in 1860. The genus is found in New Guinea, the Solomon Islands, Fiji, Samoa, and the Society Islands.[1]
Species

Calycosia callithrix A.C.Sm. - Viti Levu
Calycosia kajewskii Merr. & L.M.Perry - Solomons
Calycosia lageniformis (Gillespie) A.C.Sm. - Viti Levu
Calycosia macrocyatha Fosberg - Fiji
Calycosia mamosei W.N.Takeuchi - Papua New Guinea
Calycosia petiolata A.Gray - Fiji (Viti Levu, Ovalau)
Calycosia sessilis A.Gray - Samoa
Calycosia trichocalyx (Drake) Drake - Tahiti

References

"Calycosia in the World Checklist of Rubiaceae". Retrieved 17 January 2013.