Opuntia pinkavae Opuntia pinkavae Opuntia pinkavae, common names Bulrush Canyon prickly-pear or Pinkava's pricklypear, is a species of cactus known only from northern Arizona and southern Utah. It grows in sunny locations in grasslands, on the edges of pinyon-juniper woodlands, on sandy or limestone soils. It was named for Dr. Donald Pinkava, professor emeritus at Arizona State University in Tempe. He studied "Opuntia" for many years. The species is one of the smaller members of the group, rarely more than 25 cm (10 inches) tall. Stems are green, flattened, up to 15 cm (6 inches) long. Flowers are magenta with yellow to
12 Inches of Sin 12 Inches of Sin 12 Inches of Sin is an annual international juried exhibition of erotic art in Las Vegas. Founded in 2010, it explores human identity, sexuality, gender, and artistic expression. Accepted works include paintings, photographs, digital art, sculpture, illustration, mixed media and short films, but each work must not be larger than 12 inches in any direction (or one foot square). An expert jury of 12 judges chooses 36 artists from submissions. Artists from 26 countries have participated to date. 12 Inches of Sin was founded in 2010 by the sexologist and gallerist Laura Henkel in her Sin