Cressa

Classification System: APG IV

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

Familia: Convolvulaceae
Tribus: Cresseae
Genus: Cressa
Species: C. australis – C. cretica – C. nudicaulis – C. truxillensis

Source(s) of checklist:

Govaerts, R. et al. 2020. Cressa (Convolvulaceae) in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Nov 20. Reference page.

Name

Cressa L., Sp. Pl. 1: 223 (1753)

Type species (by monotype): Cressa cretica L., Sp. Pl. 1: 223. 1753.

References

Linnaeus, C. 1753. Species Plantarum. Tomus I: 223. Reference page.
Austin, D.F. 2000. A revision of Cressa L. (Convolvulaceae). Botanical Journal of the Linnean Society 133(1): 27–39. DOI: 10.1006/bojl.1999.0326 Open access. Reference page.
Govaerts, R. et al. 2019. Cressa in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 Dec. 4. Reference page.
International Plant Names Index. 2016. Cressa. Published online. Accessed: June 9 2016.

Vernacular names
suomi: Karakit

Cressa is a genus of plants in the morning glory family known generally as alkaliweeds. These plants are native to the tropical and subtropical areas of the world. They are clumpy and low-growing but usually have erect stems covered white-haired, green leaves. They produce tiny white flowers about half a centimeter across.

There are four species recognised in the genus Cressa:[2]

Cressa australis
Cressa cretica
Cressa nudicaulis
Cressa truxillensis

Sources

In: Species Plantarum 1: 223. 1753. "Name - Cressa L." Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Retrieved February 15, 2010.
Austin, D. F. (2000). A revision of Cressa L.(Convolvulaceae). Botanical Journal of the Linnean Society 133(1), 27-39.