Gray Ghost Organ Pipe, Pitayo

Sun Exposure: Full sun

Origin: South-central Mexico (Chiapas, Puebla)

Growth Habits: Columnar, branching close to the base, up to 20 feet tall (6 m), accasionally with trunk; 5 or 6 prominent ribs; areoles up to 1.6 in. apart (4 cm); 1 (to 4) grayish central spine, up to 1.2 in. long (3 cm); 5-9 grey radials with browner tips

Watering Needs: Little to moderate water

Propagation: Cuttings

Stem covered with white powder.

As Lemaireocereus pruinosus in Britton and Rose's The Cactaceae

Blooming Habits:
Small white, slightly pinkish, night blooming flowers in spring, 2.4 to 3.6 inches long (6-9 cm). The tube areoles are with brownish wool. The ovoid fruit has spines when immature, 2.4 to 2.8 inches long (6-7 cm). It is red when mature. The seeds are yellowish brown with a rough surface.