Cleisocentron merrillianum

Cleisocentron merrillianum is a rare and striking orchid species native to the montane and riverine forests of northern Borneo, typically found at elevations between 1,100 and 3,000 meters (3,600–9,800 feet) . This species is noted for its unique blue-toned flowers, making it a prized specimen among orchid enthusiasts.

Features:

• Bloom Time: Typically blooms in November.

• Flower Characteristics: White flowers with faintly blue-stained petals; the lip features a blue mark.

• Inflorescence: 3.4 inches (8.6 cm) long, bearing 8–15 long-lasting flowers.

• Leaf Characteristics: Narrow, semi-terete leaves measuring 4–8 inches (10–20 cm) in length, arranged along an erect stem.

Care Tips:

• Light: Bright, indirect light; avoid direct sunlight to prevent leaf burn.

• Temperature: Cool to intermediate temperatures; daytime highs between 70–80°F (21–27°C) and nighttime lows around 60°F (15°C).

• Humidity: High humidity levels, ideally above 60%, to mimic its native montane habitat.

• Watering: Maintain consistently moist conditions without waterlogging; water 3–5 times per week, allowing the medium to dry slightly between waterings.

• Air Circulation: Ensure good airflow to prevent fungal and bacterial diseases.

• Mounting: Suitable for mounting on cork bark or growing in pots with sphagnum moss or fine bark.