Opuntia phaeacantha Family: Cactaceae – Cactus Family Perennial herbaceous or woody succulents; 1' to 3' (30 to 90 cm) tall and 1' to 5' (3 to 15 dm) wide or more Leaves: spines are modified leaves; has fleshy pads Flowers: showy petals are yellow or mixed with red below; petaloid sepals; stamens numerous, 1 style; generally bisexual; flowers 2.4” to 4.4” (6 to 11 cm) long Pollinators: insects and hummingbirds Fruits: large dry or fleshy many-seeded berry Blooms in Arches National Park: April, May, June Habitat in Arches National Park: desert shrub and pinyon-juniper communities Location seen: widespread Other: The genus name, “Opuntia”, is the Greek name for a spiny plant that grew near Opus, Greece and the species name, “phaeacantha”, means "gray thorns” which comes from the Greek “phaios” meaning “dusky, gray” and “akantha” which means “thorn”. Root systems are shallow unless there is deep water. Stomates (pores) are open during the night, allowing entry of carbon dioxide, which is chemically stored. During the day, the carbon dioxide is used in photosynthesis. |
Last updated: January 16, 2023