Pinus longaeva 'Bobo Roy' #4 is an dwarf, upright selection of Great Basin bristlecone pine with conical structure; densely uniform branching; and rich, dark, blue-green needles. After 10 years of growth, a mature specimen will measure 18 inches (45 cm) tall and 12 inches (30 cm) wide, an annual growth rate of 1 to 2 inches (2.5 - 5 cm).
This cultivar originated as witch's broom found in the 1990s during a joint brooming expedition led by Colorado's legendary plantsman Jerry Morris and Oregon nurseryman Larry Stanley. The found the mother broom in a wild tree in south-central Utah in Red Canyon, near Bryce Canyon National Park. Larry had the honor of naming it after his son.
In Jerry's field notes, he wrote about this discovery, "found as a broom, 15' x 20', 30'™ up, upright growth, tight." This conifer was the 4th named Pinus longeava cultivar attributed to Jerry Morris.