Jacques Denys (Denis) Choisy (5 April 1799,Jussy – 26 November 1859,Geneva) was a Swiss Protestant clergyman andbotanist.[1]
He studiedtheology, law, humanities and sciences at theAcadémie de Genève. In 1821 he became ordained as a minister, and during the following year, furthered his education inParis. During his stay in Paris, he was accepted as a member of theSociété d'histoire naturelle. Following his return to Geneva in 1824, he was named chair of rational philosophy at the Academy, a position he maintained until 1847.[2]
As a student in Geneva, he came under the influence ofAugustin Pyramus de Candolle, and in the process, developed a lifelong passion for botany.[2] He was a principal contributor towards Candolle's publication of "Prodromus Systematis Naturalis Regni Vegetabilis", being the author of the sections involving the plant familiesMarcgraviaceae,Convolvulaceae,Hydroleaceae,Selaginaceae,Nyctaginaceae, Hypericineae andGuttiferae.[3] The botanical genusChoisya (familyRutaceae) is named in his honor.[4]
As a theologian/philosopher he published works with titles such as, "Des doctrines exclusives en philosophie rationelle" (1828) and "Les lois morales: Fragment d'un cours de philosophie morale" (1836).[5]
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