Thouinia
(named in honour of Andre Thouin, 1747-1824, Professor of Agriculture at Paris). SYNS. Thyana, Vargasia. ORD. Sapindaceae. A genus consisting of about a dozen species of stove, erect or climbing shrubs or trees, inhabiting tropical America. Flowers small or minute, racemose, cymose, or paniculate; calyx five-parted; petals four, five, or absent; stamens eight to ten. Leaves alternate, exstipulate, trifoliolate or pinnate, rarely one-foliolate. Only one species has been introduced. For culture, see Ticorea. T. pinnata (pinnate-leaved). fl. white, disposed in terminal panicles, and having five petals and eight stamens. June. l. pinnate; leaflets oblong, slightly emarginate. h. 8ft. St. Domingo, 1823. Erect.