Xochiquetzal.

Xochiquetzalpapalotl, tlaçotlanquj in tlaçoiujtica: ioan coztic teucujtlaio, iquetzalquaquauh = The finely wrought butterfly of [the goddess] Xochiquetzal [was made of] precious feathers; and its horns were of gold and quetzal feathers. (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 8 -- Kings and Lords, no. 14, Part IX, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1951), 34.

Xochiquetzal was the name of one of the four women prepared for a year to marry and lie with the ritual representative of the deity Tezcatlipoca (or Titlacauan, or Titlacahuan) in the month of Toxcatl.
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 2 -- The Ceremonies, No. 14, Part III, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1951), 67.

The cuetlaxochitl (Euphoria pulcherrima) was a plant associated with the deity Xochiquetzal.
Bernardo Ortiz de Montellano, "Las hierbas de Tláloc," Estudios de cultura náhuatl 14 (1980), 287–314, see p. 290.