Trigonostemon

Trigonostemon is a plant genus of the family Euphorbiaceae and the sole member of its tribe (Trigonostemoneae). It was first described as a genus in 1826.[2][3] It is native to Southeast Asia, southern China, the Indian Subcontinent, Queensland, and a few islands in the western Pacific.[1][4][5]

Trigonostemon
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malpighiales
Family:	Euphorbiaceae
Subfamily:	Crotonoideae
Tribe:	Trigonostemoneae
Genus:	Trigonostemon Blume
Synonyms[1]
Trigostemon Blume, spelling variation[2][3] Enchidium Jack Silvaea Hook. & Arn. Athroisma Griff. 1854, illegitimate name, not DC. 1833 (Asteraceae) Telogyne Baill. Tritaxis Baill. Tylosepalum Kurz ex Teijsm. & Binn. Nepenthandra S.Moore Prosartema Gagnep. Actephilopsis Ridl. Poilaniella Gagnep. Neotrigonostemon Pax & K.Hoffm. Kurziodendron N.P.Balakr.

Species[1]

1. Trigonostemon adenocalyx - Vietnam
2. Trigonostemon albiflorus - Thailand, Guangxi
3. Trigonostemon angustifolius - Philippines
4. Trigonostemon apetalogyne - W New Guinea
5. Trigonostemon aurantiacus - Andaman & Nicobar Is, Thailand, Malaysia, Sumatra, Java, Myanmar
6. Trigonostemon beccarii - Sumatra
7. Trigonostemon birmanicus - Myanmar
8. Trigonostemon bonianus - Vietnam, Yunnan
9. Trigonostemon capillipes - Thailand, Borneo, W Malaysia, Surigao
10. Trigonostemon capitellatus - Laos, Vietnam
11. Trigonostemon carnosulus - W Malaysia
12. Trigonostemon cherrieri - New Caledonia
13. Trigonostemon chinensis - Vietnam, S China
14. Trigonostemon cochinchinensis - Vietnam
15. Trigonostemon croceus - W Malaysia
16. Trigonostemon detritiferus - Brunei
17. Trigonostemon diffusus - Sarawak
18. Trigonostemon diplopetalus - Sri Lanka
19. Trigonostemon dipteranthus - Sumatra
20. Trigonostemon eberhardtii - Vietnam
21. Trigonostemon elegantissimus - Borneo
22. Trigonostemon elmeri - Sabah
23. Trigonostemon everettii - Philippines
24. Trigonostemon filiformis - Luzon
25. Trigonostemon flavidus - Hainan, Laos, Myanmar, Thailand
26. Trigonostemon fragilis - Guangxi, Hainan, Vietnam
27. Trigonostemon gaudichaudii - Vietnam
28. Trigonostemon hartleyi - Papua New Guinea
29. Trigonostemon heteranthus - Myanmar, Thailand, W Malaysia, Borneo, Sumatra
30. Trigonostemon hirsutus - Philippines, Sabah, Sarawak
31. Trigonostemon howii - Hainan, Vietnam
32. Trigonostemon hybridus - Cambodia
33. Trigonostemon inopinatus - Queensland
34. Trigonostemon ionthocarpus - Sabah, Sarawak
35. Trigonostemon kerrii - Thailand
36. Trigonostemon laetus - Myanmar
37. Trigonostemon laevigatus - Andaman Is.,Indochina, Philippines, Borneo, Sumatra
38. Trigonostemon lanceolatus - Myanmar
39. Trigonostemon laoticus - Laos
40. Trigonostemon laxiflorus - Philippines
41. Trigonostemon longipedunculatus - Philippines, Borneo
42. Trigonostemon longipes - Philippines
43. Trigonostemon magnificus - Sumatra
44. Trigonostemon malaccanus - W Malaysia, N Sumatra
45. Trigonostemon matangensis - Sarawak
46. Trigonostemon matanginsu - Sarawak
47. Trigonostemon merrillii - Philippines, Sabah
48. Trigonostemon murtonii - Thailand, Vietnam
49. Trigonostemon nemoralis - SW India, Sri Lanka
50. Trigonostemon nigrifolius - Myanmar
51. Trigonostemon oblanceolatus - Philippines
52. Trigonostemon pachyphyllus - S Thailand
53. Trigonostemon pentandrus - W Malaysia
54. Trigonostemon philippinensis - Philippines, Borneo, Sumatra
55. Trigonostemon phyllocalyx - Thailand, Vietnam
56. Trigonostemon pierrei - Phú Quốc Island
57. Trigonostemon poilanei - Vietnam
58. Trigonostemon polyanthus - Philippines, Borneo
59. Trigonostemon praetervisus - N Bangladesh
60. Trigonostemon quocensis - Cambodia, Vietnam, Thailand, Myanmar
61. Trigonostemon reidioides - Cambodia, Vietnam, Thailand, Myanmar, Laos
62. Trigonostemon rubescens - Laos, Cambodia
63. Trigonostemon rufescens- W Malaysia
64. Trigonostemon salicifolius - Selangor
65. Trigonostemon sandakanensis - Sabah
66. Trigonostemon sanguineus - Vietnam
67. Trigonostemon semperflorens - Assam, Bangladesh
68. Trigonostemon serratus - Bali, Java
69. Trigonostemon sinclairii - W Malaysia
70. Trigonostemon stellaris - Vietnam
71. Trigonostemon stenophyllus - Luzon
72. Trigonostemon sunirmalii - Myanmar
73. Trigonostemon thorelii - Laos
74. Trigonostemon thyrsoideus - S China, Indochina
75. Trigonostemon tuberculatus - Yunnan
76. Trigonostemon verrucosus - Java
77. Trigonostemon verticillatus - S Thailand, W Malaysia, Sumatra
78. Trigonostemon villosus - W Malaysia, Sumatra, Borneo, Nicobar Is
79. Trigonostemon viridissimus - Assam, Andaman Is, W Malaysia, Sumatra, Myanmar, Bali
80. Trigonostemon voratus - Fiji
81. Trigonostemon wenzelii - Leyte
82. Trigonostemon wetriifolius - W Malaysia
83. Trigonostemon whiteanus - Philippines
84. Trigonostemon xyphophylloides - Hainan

formerly included

moved to other genera (Cleidion Croton Dimorphocalyx Omphalea Paracroton Wetria )

1. T. arboreus - Omphalea malayana
2. T. asahanensis - Dimorphocalyx muricatus
3. T. beddomei - Dimorphocalyx beddomei
4. T. bulusanensis - Dimorphocalyx bulusanensis
5. T. cumingii - Dimorphocalyx cumingii
6. T. forbesii - Wetria insignis
7. T. lawianus - Croton lawianus
8. T. macrophyllus - Paracroton pendulus
9. T. oliganthus - Cleidion papuanum
10. T. zeylanicus - Paracroton pendulus subsp. zeylanicus

References

1. Kew World Checklist of Selected Plant Families
2. Blume, Carl Ludwig von. 1826. Bijdragen tot de flora van Nederlandsch Indië 600 in Latin
3. Tropicos
4. Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.
5. Flora of China Vol. 11 Page 168, 272 三宝木属 san bao mu shu Trigonostemon Blume, Bijdr. 600. 1826.