Disocactus ( Epiphyllum ) anguliger

Disocactus anguliger – The Original Fishbone Cactus

Disocactus anguliger, formerly known as Epiphyllum anguliger, is a unique epiphytic cactus native to southern Mexico. Known as the Fishbone or Zig Zag Cactus, it features deeply lobed, succulent stems that resemble the backbone of a fish. Its flowing, architectural growth is perfect for hanging baskets, trailing from shelves, or growing on vertical supports. Under the right conditions, mature plants produce large, fragrant, night-blooming flowers – a rare reward for patient indoor growers.

Striking Features of Disocactus anguliger

• Distinctive Stems: Flattened, deeply lobed segments with undulating margins. Each stem measures top 15 – 20 % wide and up to 30 cm long.
• Fragrant Night Blooms: Large (up to 20 cm), white to yellow flowers that open after dusk and emit a sweet scent.
• Epiphytic Habit: Grows naturally on trees and mossy surfaces in cloud forests – adapted to bright shade, moisture, and airflow.

Native Habitat and Elevation

Disocactus anguliger is endemic to cloud forests in Oaxaca, Guerrero, and Jalisco, Mexico. It grows between 1,000 – 1,800 meters elevation, clinging to tree bark and shaded rock faces in humid montane regions. It prefers filtered light, moderate warmth, and air movement – all factors that can be mimicked indoors.

How to Care for Disocactus anguliger

• Light: Prefers bright, indirect light. Tolerates gentle morning sun, but avoid harsh direct rays which can scorch the stems.
• Watering: Water thoroughly when the top 10 – 15% of substrate is dry. Reduce watering slightly in cooler months.
• Humidity: Enjoys moderate humidity (50 – 70%). Can adapt to average indoor humidity but benefits from grouping with other plants.
• Temperature: Optimal range is 18 – 25°C. Protect from temperatures below 10°C and cold drafts.
• Soil: Use a loose, well-draining mix such as orchid bark, perlite, and coco coir. Avoid compact potting soils.
• Fertilizing: Apply a diluted, balanced liquid fertilizer every 4 – 6 weeks during active growth. Do not overfeed.
• Repotting: Every 2 – 3 years or when rootbound. Prefers slightly tight conditions to encourage flowering.

Common Issues and How to Fix Them

• Yellowing Stems: Usually a sign of overwatering or poor drainage. Check moisture levels and aeration.
• Brown Edges: Caused by low humidity or too much direct sun. Increase ambient humidity and relocate to filtered light.
• No Blooms: May indicate immaturity or insufficient light. Encourage blooming by providing bright conditions and a cool, dry rest in winter.
• Pests: Watch for spider mites, mealybugs, and scale. Treat early with neem oil or insecticidal soap.

Propagation of Disocactus anguliger

Easily propagated via stem cuttings. Let cuttings callous for 1 – 2 days, then place in a well-draining mix. Rooting usually occurs within 2 – 3 weeks in warm, humid conditions. Best done in spring or early summer.

Etymology of Disocactus anguliger

The genus name Disocactus is from Greek “dis” (double) and “kaktos,” referencing the flattened, lobed stems. The species name anguliger comes from Latin and means “angle-bearing,” describing the distinctive zig-zag shape of the foliage.

Winter Care Tips

• During winter, reduce watering frequency but don’t allow complete drying out.
• Keep in a bright, slightly cooler room (15 – 20°C) to simulate natural rest phase.
• Stop fertilizing until active growth resumes in spring.

Buy Disocactus anguliger Online

Disocactus anguliger is a stunning, architectural trailing cactus with fragrant blooms and sculptural stems. Order now and add this iconic fishbone beauty to your collection!