Fagus mexicana Fagus mexicana Fagus mexicana, the Mexican beech or haya, is a species of beech endemic to northeastern and central Mexico, where it occurs from southwest Tamaulipas south to Hidalgo and Puebla. It is restricted to high altitude cloud forests in the Sierra Madre Oriental. It is closely related to the American beech "Fagus grandifolia" and is usually treated as "Fagus grandifolia" subsp. "mexicana" (Martínez) E.Murray. "Fagus mexicana" is a deciduous tree, reaching heights of 25–40 m tall and up to 1 m trunk diameter. The leaves are alternate and simple, with a slightly toothed margin, usually smaller than those of
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,