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Orthosia (plant)

Orthosia is a genus of plants in the family Apocynaceae, first described as a genus in 1844.

Species

55 species <small>as of May, 2025 accepted at Kew's Plants of the World</small>:

  1. Orthosia angustifolia <small>(Schult.) Liede & Meve - Mexico (Veracruz, Puebla, Chiapas)</small>
  2. Orthosia boliviana <small>Liede & Meve - Bolivia</small>
  3. Orthosia bonplandiana <small>(Schult.) Liede & Meve</small> - Colombia
  4. Orthosia calycina <small>(Schltr.) Liede & Meve</small> - Peru
  5. Orthosia cardozoi <small>(Schult.) Liede & Meve</small> - Venezuela
  6. Orthosia cassythoides <small>(Suess.) Morillo</small> - Venezuela
  7. Orthosia congesta <small>(Vell.) Decne.</small> - Brazil
  8. Orthosia conradii <small>(Schult.) Liede & Meve</small> - Mexico (Michoacán)
  9. Orthosia cynanchoides <small>W.D. Stevens</small> - Mexico (Chiapas)
  10. Orthosia dusenii <small>(Malme) Fontella</small> - Brazil
  11. Orthosia eichleri <small>E.Fourn.</small> - Brazil
  12. Orthosia ellemanniae <small>(Morillo) Liede & Meve</small> - S. Ecuador to Peru
  13. Orthosia extra-axillaris <small>W.D. Stevens</small> - Costa Rica
  14. Orthosia florida <small>(Vell.) Liede & Meve</small> - N. Venezuela, E. & S. Brazil and NE. Argentina
  15. Orthosia glaberrima <small>(Woodson) W.D. Stevens</small> - Panama, Costa Rica
  16. Orthosia goyderiana <small>Liede & Meve</small> - Bolivia
  17. Orthosia guilleminiana <small>(Decne.) Liede & Meve</small> - Brazil
  18. Orthosia henriqueana <small>(Silveira) Liede & Meve</small> - Brazil (Minas Gerais)
  19. Orthosia itatiaiensis <small>Malme</small> - Brail (Rio de Janeiro)
  20. Orthosia jaliscoensis <small>Liede & Meve</small> - Mexico (Colima, Jalisco)
  21. Orthosia leivae <small>Liede & Meve</small> - Ecuador to Peru
  22. Orthosia leptocarpa <small>(Rusby) Liede & Meve</small> - NE. Colombia to Venezuela
  23. Orthosia loandensis <small>Fontella & Valente</small> - Paraná
  24. Orthosia meridensis <small>(Morillo) Liede & Meve</small> - NW. Venezuela
  25. Orthosia mexicana <small>(S.Watson) Liede & Meve</small> - Mexico
  26. Orthosia micrantha <small>Liede & Meve</small> - Venezuela
  27. Orthosia misera <small>(L.O.Williams) W.D.Stevens</small> -- Mexico (Chiapas) to Honduras
  28. Orthosia myriantha <small>(Schltr.) Liede & Meve</small> - Peru (Huanuco) to Bolivia
  29. Orthosia nicaraguensis <small>Liede & Meve</small> - Nicaragua
  30. Orthosia nubicola <small>(Morillo) Liede & Meve</small> - Venezuela
  31. Orthosia pallida <small>(Rusby) Liede & Meve</small> - NE. Colombia to NW. Venezuela
  32. Orthosia paranaensis <small>Liede & Meve</small> - Brazil (Paraná)
  33. Orthosia parviflora <small>(E. Fourn.) Liede & Meve</small> - Rio de Janeiro
  34. Orthosia pearcei <small>(Rusby) Liede & Meve</small> - Bolivia
  35. Orthosia peruviana <small>(Schltr.) Liede & Meve</small> - Peru (Junín, Pasco)
  36. Orthosia pietrangelii <small>(Schltr.) Liede & Meve</small> - Venezuela (Téchira)
  37. Orthosia pubescens <small>(Greenm.) Liede & Meve</small> - Central Mexico
  38. Orthosia ramosa <small>W.D. Stevens</small> - Honduras
  39. Orthosia rariflora <small>(Schltr.) Liede & Meve</small> - Peru (Puno) to W. Bolivia
  40. Orthosia retinaculata <small>(Schltr.) Liede & Meve</small> - Bolivia to NW. Argentina
  41. Orthosia rubens <small>(L.O. Williams) W.D. Stevens</small> - Guatemala
  42. Orthosia scoparia <small>(Nutt.) Liede & Meve</small> - Florida, Georgia, South Carolina
  43. Orthosia selloana <small>(E. Fourn.) Liede & Meve</small> - Brazil
  44. Orthosia sepium <small>(Decne.) Liede & Meve</small> - Mexico (E. Oaxaca)
  45. Orthosia smaragdina <small>W.D. Stevens</small> - Guatemala
  46. Orthosia stannardii <small>(Morillo) Liede & Meve</small> - Venezuela (Amazonas)
  47. Orthosia stenophylla <small>Schltr</small> - Central & S. Colombia
  48. Orthosia stipitata <small>W.D. Stevens</small> - Mexico (Chiapas)
  49. Orthosia subulata <small>(Vell.) Liede & Meve</small> -SE. & S. Brazil to Argentina (Misiones)
  50. Orthosia teodormeyeri <small>Liede & Meve</small> - NW Argentina
  51. Orthosia tomentosa <small>(E.Fourn.) Malme</small> - SE. & S. Brazil to Argentina (Misiones)
  52. Orthosia umbrosa <small>Decne.</small> - Rio de Janeiro
  53. Orthosia urceolata <small>E.Fourn. -</small> Brazil
  54. Orthosia virgata <small>(Poir.) E. Fourn.</small> - Argentina
  55. Orthosia woodii <small>Meve & Liede</small> - Bolivia
<nowiki>Partial list of formerly included taxa:</nowiki>

References