Trimezia steyermarkii is a species of flowering plant in the family Iridaceae, native to southern Mexico, Central America, Colombia, and Venezuela.Kew World Checklist of Selected Plant Families Plants are up to 150 cm tall, with rhizomes up to 2–4 cm long and 2–3 cm wide; leaves are lanceolate, 60–150 cm long by 2 cm wide; flowers are yellow with brown spots.Henrich, J.E. & Goldblatt, P. (1994). Flora Mesoamericana 6: 71-80. Universidad Nacional Autónoma de México, México, D.F.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.Espejo Serna, A. & López-Ferrari, A.R. (1998). Flora de Veracruz 105: 1-60. Instituto Nacional de Investigaciones sobre Recursos Bióticos, Xalapa, Veracruz. In countries like Colombia and Venezuela, a name that is often given to this plant is "Hand of God" because of the three flower petals.
Trimezia steyermarkii is closely related to T. martinicensis,, p. 378 with which it has been widely confused. See that article for differences.
References
GBIF entry USDA Germplasm Resources Information Network (GRIN) entry
Davidse, G. et al., eds. 1994. Flora mesoamericana. Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3). , p. 106