Orthrosanthus

{{Short description|Genus of flowering plants}}

{{Automatic taxobox

|image = Orthrosanthus laxus 01 gnangarra.JPG

|image_caption = Orthrosanthus laxus

|display_parents = 2

|taxon = Orthrosanthus

|authority = Sweet

|type_species = Orthrosanthus multiflorus

|type_species_authority = Sweet

|synonyms_ref =

|synonyms =

  • Eveltria Raf.

}}

Orthrosanthus is a genus of flowering plants in the family Iridaceae first described as a genus in 1827. It is native to Australia.[http://apps.kew.org/wcsp/namedetail.do?name_id=324134 Kew World Checklist of Selected Plant Families]Woodson, R.E. & Schery, R.W. (1945). Flora of Panama Part 3, Fasc. 1.. Annals of the Missouri Botanical Garden 32: 34-43.Innes, C. (1985). The World of Iridaceae: 1-407. Holly Gare International Ltd., Ashington.Cooke, D.A. (1986). Flora of Australia 46: i-xii, 1-247. Australian Government Publishing Service, Canberra.Henrich, J.E. & Goldblatt, P. (1987). A Review of the New World species of Orthrosanthus Sweet.. Annals of the Missouri Botanical Garden 74: 577-582.Espejo Serna, A. & López-Ferrari, A.R. (1996). Monocotiledóneas Mexicanas: una sinopsis florística 6: 43-59. Mexico City : Consejo Nacional de la Flora de Mexico.

The genus name is derived from the Greek words orthros, meaning "morning", and anthos, meaning "flower".{{cite book |author1=Manning, John |author2=Goldblatt, Peter |title=The Iris Family: Natural History & Classification |publisher=Timber Press |location=Portland, Oregon|pages=216–19 |year=2008|isbn=978-0-88192-897-6}} They are known commonly as morning irises.{{FloraBase|name=Orthrosanthus|id=22373}}

Description

These are rhizomatous perennial herbs. The linear to sword-shaped leaves are arranged in a layered fan. The flowers are usually blue, except in one white-flowered species. This genus is closely related to the genus Libertia. The flowers are very similar, but Libertia flowers are usually white.

; Species

References

{{Reflist}}