Chestnut which are mildly poisonous to humans. Nor should they be confused with water chestnut, which are tubers of an aquatic herbaceous plant in the sedge family Cyperaceae. Other trees commonly mistaken for chestnut trees are the chestnut oak ("Quercus prinus") and the American beech ("Fagus grandifolia"), both of which are also in the Fagaceae. The name "chestnut" is derived from an earlier English term "chesten nut", which descends from the Old French word "chastain" (Modern French, "châtaigne"). The French word in turn derives from Latin "Castanea" (also the scientific name of the tree), which traces to the Ancient Greek word
Stillingia sylvatica Stillingia sylvatica Stillingia sylvatica, known as queen's-delight or queen's delight, is a species of flowering plant in the family Euphorbiaceae. It was described in 1767. It is endemic to the south-central and southeastern United States, growing in sandy areas such as sandhills and pine flatwoods. It is an herb or subshrub averaging in height. It has alternate, ovate leaves with short petioles, reaching in length and in width. The leaf margins are serrulate to crenulate with incurved teeth. Each crowded inflorescence has four to seven staminate flowers and three to four pistillate flowers. Queen's delight flowers between March and June,