Orthrosanthus

Orthrosanthus is a genus of flowering plants in the family Iridaceae first described as a genus in 1827. It native to Australia, Mexico, Central and South America.[1][2][3][4][5][6]

Orthrosanthus
Orthrosanthus laxus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Iridaceae
Subfamily: Iridoideae
Tribe: Sisyrinchieae
Genus: Orthrosanthus
Sweet
Type species
Orthrosanthus multiflorus
Synonyms[1]
  • Eveltria Raf.

The genus name is derived from the Greek words orthros, meaning "morning", and anthos, meaning "flower".[7] They are known commonly as morning irises.[8]

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.[7]

Species[1]
  • Orthrosanthus acorifolius (Kunth) Ravenna - Colombia, Venezuela
  • Orthrosanthus chimboracensis (Kunth) Baker - Chiapas, Costa Rica, Panama, Colombia, Venezuela, Ecuador, Peru, Bolivia, northwestern Brazil
  • Orthrosanthus exsertus (R.C.Foster) Ravenna - Mexico, Honduras
  • Orthrosanthus laxus (Endl.) Benth. - Western Australia
  • Orthrosanthus monadelphusRavenna - southern Mexico, Central America
  • Orthrosanthus muelleri Benth. Benth. - Western Australia
  • Orthrosanthus multiflorus Sweet - Western Australia, South Australia, Victoria
  • Orthrosanthus occissapungus (Ruiz ex Klatt) Diels - Peru, Bolivia, northwestern Argentina
  • Orthrosanthus polystachyus Benth. - many-spike orthrosanthus - Western Australia

References
  1. Kew World Checklist of Selected Plant Families
  2. Woodson, R.E. & Schery, R.W. (1945). Flora of Panama Part 3, Fasc. 1.. Annals of the Missouri Botanical Garden 32: 34-43.
  3. Innes, C. (1985). The World of Iridaceae: 1-407. Holly Gare International Ltd., Ashington.
  4. Cooke, D.A. (1986). Flora of Australia 46: i-xii, 1-247. Australian Government Publishing Service, Canberra.
  5. 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.
  6. 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.
  7. Manning, John; Goldblatt, Peter (2008). The Iris Family: Natural History & Classification. Portland, Oregon: Timber Press. pp. 216–19. ISBN 0-88192-897-6.
  8. "Orthrosanthus". FloraBase. Western Australian Government Department of Parks and Wildlife.


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