Monographs Details: Aparisthmium
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Family:Euphorbiaceae
Scientific Name:Aparisthmium Endl.
Description:Genus Description - Well characterized monotypic genus, with 3 (seldom 4-5) stamens, styles 3, free or nearly so. Short undivided capsules with 3 well defined lobes. Stipellate leaves.

Distribution and Ecology - Its center of distribution is northern and southern Brazil, with outliers in Venezuelan Amazonas and Bolivar, the Guianas, along the Andes reaching through Bolivia and Peru into Colombia and Puerto Cabello in Venezuela. Not known in Central America and West Indies.

Discussion:

Type. A. cordatum (Juss.) Baillon.

Somewhat similar in vegetative aspects to Conceveiba latifolia. The inflorescence of Aparisthmium is racemose with long-pedicelled 5 flowers. Shape of leaf more acuminate and hairs not stellate. The £ cymules 20-40 flowered disposed in long virgate spikes. In contrast to Aparisthmium, Conceveiba has many stamens and few flowers per cymule.