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Scientific: Opuntia chlorotica
Common: Pancake pricklypear, flapjack pricklypear, dollar joint pricklypear, clock-faced pricklypear
Family: Cactaceae
Origin: Desert mountain and montane regions within pinyon/juniper woodlands, desert scrub edges, chaparral of western Arizona, southern California, and southern Nevada south into northern Mexico.

Pronounciation: O-PUN-tee-a chlo-ro-TEE-ka

Hardiness zones:
Sunset 2-3, 10-12, 18-23
USDA 6-10

Landscape Use: Cactus rock gardens, textural accent for small to medium sized high elevation desert landscape areas.

Character: Much branched, individual stems upright, stiff, spreading, imposing, arid.

Growth Habit: Evergreen, succulent perennial, moderately slow, arborescent, densely branched, branches ascending with round branch segments to 4-feet tall.

Foliage/Texture: Stems are jointed into fleshy, round clades (padded stems) that are lighter green with occassionally slightly yellowed hue, 3 to 8 spines per aeroles, spines are generally 2-to 3-inches long, straight, glochids and spines are transluscent golden yellow in color; coarse texture.

Flowers & Fruits: Flowers small, 1 inch in diameter, yellow (occassionally reddish) with white anther filaments white; style white, stigma yellow-green; fruits to 2 inches, globose, purple red when ripe, juicy.

Seasonal Color: Yellow flowers in late spring, fruit in late summer.

Temperature: Cold tolerant to 10oF. Heat tolerant to 110oF.

Light: Full sun, though some protection in Phoenix from the intense western summer sun is necessary.

Soil: Tolerant

Watering: None after established.

Pruning: Prune by removing pad segments of any length to control spread, keep an open appearance, and inhibit prospects of cochineal scale.

Propagation: Cutting and dispersal of pads.

Disease and Pests: Root rot and cochineal scale.

Additional comments: Pancake prickly pear is a cactus for xeric landscapes in mid-to high-elevation Arizona towns and cities, such as Prescott, Payson, and Sierra Vista. It can be cultivated in Tucson with some protection from intense western exposures; however, cultivation in Phoenix and other low elevation desert landscape is difficult due to the extreme summer heat.