Capraria biflora.

Botanical name: 

Capraria biflora Linn. Scrophularineae. Goat-Weed. Jamaica Tea. Smart Weed. West India Tea.

Tropical America. Lunan says the leaves not only resemble those of tea but make an equally agreeable decoction. Titford says an infusion of them is a very good beverage.

Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.