SUBGENUS Polyantha SECTION Alaticaules SUBSECTION Alaticaules [Krzl.] Luer 1986

TYPE For the Section and Subsection Masdevallia melanoxantha Linden & Rchb. f. 1854

Characterized by successive or simultaneously flowered inflorescence bourne by a peduncle triangular in cross section. The sepals are more or less fleshy, usually with tails and variously connate into a cup or tube. The petals are callous on the labellular half, rarely forming a descending process. The lip is thick and divided by marginal folds near the middle into an epichile and a hypochile.

1. Masdevallia acrochordonia Rchb.f. 1874 Ecuador

2. Masdevallia adrianae Luer 1998 Ecuador

3. Masdevallia aenigma Luer & R.Escobar 1982 Colombia

4. Masdevallia aguirrei Luer & R.Escobar 1996 Colombia

5. Masdevallia ametroglossa Luer & Hirtz 2003 Ecuador

6. Masdevallia amplexa Luer 1997 Peru

7. Masdevallia amsleri [Luer & Jenny] Pfahl comb novo 2014 Ecuador

8. Masdevallia anfracta Königer & J.J. Portilla 1995 Ecuador and Peru

9. Masdevallia apoloae (Luer & Sijm) J.M.H.Shaw 2016 Ecuador

10. Masdevallia barbozae (Luer) J.M.H.Shaw 2014 Peru

11. Masdevallia barrowii Luer 2002 Ecuador, Peru

12. Masdevallia bennettii Luer 1991 Peru

13. Masdevallia bicolor Poepp. & Endl. 1837 Venezuela, Colombia, Ecuador, Peru and Bolivia

14. Masdevallia brachyura F. Lehm. & Kraenzl. 1899 Ecuador

15. Masdevallia brenneri Luer 1978 Ecuador

16. Masdevallia bryophila Luer 1996 Peru

17. Masdevallia buccinator Rchb.f. & Warsz. 1854 Colombia

18. Masdevallia calagrasalis Luer 1985 Ecuador

19. Masdevallia cardiantha Königer 1980 Peru

20. Masdevallia carnosa Königer 2003 Peru

21. Masdevallia carruthersiana F. Lehm. & Kraenzl. 1925 Ecuador

22. Masdevallia cheloglossa Luer & Dalström 2006 Peru

23. Masdevallia christae Königer 2012 Peru

24. Masdevallia cinnamomea Rchb.f. 1855 Peru

25. Masdevallia cocapatae Luer, Teague & Vásquez 1997 Ecuador and Bolivia

26. Masdevallia concinna Königer 1982 Peru

27. Masdevallia cracens [Luer, Sijm & V.N. Rao] Pfahl comb novo 2014 Venezuela

28. Masdevallia cuprea Lindl. 1843 Ecuador and Peru

29. Masdevallia deceptrix Luer & Würstle 1987 Venezuela

30. Masdevallia descendens Luer & Andreetta 1988 publ. 1989 Ecuador

31. Masdevallia don-quijote Luer & Andreetta 1985 Ecuador

32. Masdevallia dorisiae Luer 1999 Ecuador

33. Masdevallia draconis Luer & Andreetta 1988 Ecuador

34. Masdevallia dunstervillei Luer 1982 Venezuela

35. Masdevallia echo Luer 1987 Peru

36. Masdevallia empusa Luer 1978Ecuador and Peru

37. Masdevallia excelsior Luer & Andreetta 1981 Ecuador

38. Masdevallia fosterae Luer 1999 ?

39. Masdevallia frilehmannii Luer & R.Vásquez 2001 Bolivia

40. Masdevallia garciae Luer 1982 Venezuela

41. Masdevallia guerrieroi Luer & Andreetta 1978 Ecuador

42. Masdevallia guttulata Rchb. f. 1877

43. Masdevallia helgae Königer & J.J. Portilla 1997 Ecuador

44. Masdevallia impostor Luer & R. Escobar 1979 Venezuela, Colombia, Ecuador

45. Masdevallia inamoena [Luer & Sijm] Pfahl comb novo 2014 Ecuador

46. Masdevallia infracta Lindley 1833 Peru, Bolivia and Brazil

47. Masdevallia ingridiana Luer & J.Portilla 2000 Ecuador

48. Masdevallia isos Luer 1979 Bolivia

49. Masdevallia jimeneziana J.M.H.Shaw 2016 Ecuador

50. Masdevallia kuhniorum Luer 1978 Peru

51. Masdevallia lenae Luer & Hirtz 1991 Ecuador

52. Masdevallia lintricula Königer 1986 Ecuador and Peru

53. Masdevallia listroglossa Luer & Dalström 2006 Peru

54. Masdevallia loui Luer & Dalström 2003 Ecuador

55. Masdevallia luziaemariae Luer & R.Vásquez 2001 Bolivia

56. Masdevallia maculata Klotzsch & H. Karst. 1847 Venezuela, Colombia and Peru

57. Masdevallia martineae Luer 1997 Peru, Bolivia

58. Masdevallia martiniana Luer 1998 Ecuador

59. Masdevallia mascarata Luer & R.Vásquez 1992 Bolivia

60. Masdevallia medusa Luer & R. Escobar 1982 Colombia

61. !Masdevallia melanoxantha Linden & Rchb. f. 1854 Venezuela, Colombia

62. Masdevallia mezae Luer 1979 Peru

63. Masdevallia monogona Königer 1985 Peru

64. Masdevallia munae Luer & R.Barrow 2005 Peru

65. Masdevallia navicularis Garay & Dunst 1976 Venezuela, Colombia

66. Masdevallia neukermansii [Luer & Sijm] comb novo Pfahl 2014 Peru

67. Masdevallia norae Luer 1988 Colombia, Venezuela and Brazil

68. Masdevallia obscurans (Luer) Luer 1998 Brazil

69. Masdevallia odontopetala Luer 1978 Ecuador

70. Masdevallia omorenoi Luer & R.Vásquez 1997 Bolivia

71. Masdevallia oscitans (Luer) Luer 1998 Brazil

72. Masdevallia pastinata Luer 1997 Colombia

73. Masdevallia patchicutzae Luer & Hirtz 1995 Ecuador, Peru

74. Masdevallia phoebe Luer & Hirtz 2005 Ecuador

75. Masdevallia phoenix Luer 1978 Ecuador, Peru

76. Masdevallia pinocchio Luer & Andreetta 1978 Ecuador

77. Masdevallia plynophora Luer 2003 Peru

78. Masdevallia portillae Luer & Andreetta 1978 Ecuador

79. Masdevallia posadae Luer & R. Escobar 1982 Colombia

80. Masdevallia priscillana Luer & V.N.M.Rao 2005 Ecuador

81. Masdevallia proboscoidea Luer & V.N.M.Rao 2004

82. Masdevallia prolixa Luer 2000 Peru

83. Masdevallia prosartema Königer 1981 Peru

84. Masdevallia receptrix Luer & R.Vásquez 1983 Bolivia

85. Masdevallia rechingeriana Kraenzl. 1921 Venezuela

86. Masdevallia recurvata Luer & Dalström 1997 Peru

87. Masdevallia revoluta Königer & J.Portilla 1994 Ecuador

88. Masdevallia richardsoniana Luer 1988 Peru

89. Masdevallia roessigeriana A.Doucette, J.Portilla & G.Merino 2015 Ecuador

90. Masdevallia rojohnii (D.E.Benn. & Christenson) comb. nov. Pfahl & A.Doucette 2014 Peru

91. Masdevallia rolandorum Luer & Sijm 2003 Peru

92. Masdevallia royi [Luer] comb novo Pfahl 2014 Peru

93. Masdevallia rugulosa Königer 2003 Peru

94. Masdevallia sanctae-fidei Kraenzl. 1921 Venezuela and Colombia

95. Masdevallia sanguinea Luer & Andreetta 1980 Ecuador

96. Masdevallia sceptrum Rchb. f. 1854 Venezuela and Colombia

97. Masdevallia schudelii Luer 1999 Ecuador

98. Masdevallia scitula Königer 1981 Peru

99. Masdevallia scobina Luer & R. Escobar 1982 Colombia

100. Masdevallia serendipita Luer & Teague 1993 Bolivia

101. Masdevallia sernae Luer & R. Escobar 1979 Colombia, Ecuador and Peru

102. Masdevallia sprucei Rchb. f. 1878 Venezuela, Colombia, Ecuador and Peru

103. Masdevallia stenorhynchos Kraenzl. 1922 Colombia

104. Masdevallia stirpis Luer 1989 Venezuela

105. Masdevallia sururuana Campacci 2005 Brazil

106. Masdevallia synthesis Luer 1993 Venezuela

107. Masdevallia telloi Luer & Hirtz 2005 Ecuador

108. Masdevallia theleura Luer 1980 Ecuador

109. Masdevallia torulosa Königer & J.J. Portilla 1995 Ecuador

110. Masdevallia tovarensis Rchb.f 1849 Venezuela

111. Masdevallia trechsliniana Königer & J.Meza 1997 Peru

112. Masdevallia trochilus Linden & André 1873 Colombia

113. Masdevallia tsubotae Luer 1994 Colombia

114. Masdevallia vargasii C. Schweinf. 1950 Colombia, Ecuador, Peru, Bolivia and Brazil

115. Masdevallia venus Luer & Hirtz 2000 Ecuador

116. Masdevallia virens Luer & Andreetta 1980 Ecuador, Peru

117. Masdevallia virgo-cuencae Luer & Andreetta 1978 Colombia, Ecuador

118. Masdevallia vomeris Luer 1997 Peru

119. Masdevallia weberbaueri Schlechter 1921 Ecuador, Peru

120. Masdevallia whiteana Luer 1978 Ecuador, Peru

121. Masdevallia xylina Rchb.f. 1873 Colombia

122. Masdevallia zumbae Luer 1993 Ecuador