Resumen

MURILLO-A., JOSÉ C.. The genus Tetrorchidium (Euphorbiaceae) from Colombia and Ecuador. Caldasia [online]. 2009, vol.31, n.2, pp. 213-225. ISSN 0366-5232.

The species of Tetrorchidium in Colombia and Ecuador are revised. The genus comprises nine species, one of which is new. T. robledoanum is reestablished and T. boyacanum is synonymized under T. rubrivenium (new synonym). An identification key to species is provided. All taxa are described with additional notes on their distribution.

Palabras llave : Flora of Colombia; Flora of Ecuador; Euphorbiaceae; Taxonomy; Tetrorchidium.