Anthurium roubikii Croat

• Genus: Anthurium
• Botanical Background: Described by Thomas B. Croat in Aroideana 36: 53 (2013), the species honors D. Roubik, co‑collector of the type specimen.

• Geographical Range: Santa Rita Ridge in Colón Province, Panama, at 350–500 m elevation.
• Environment: Tropical wet forests on ridges and slopes, characterized by high humidity, diffuse light, and well‑drained organic soils.

Leaves

• Subterete to slightly flattened
• Blades broadly ovate‑cordate
• Subcoriaceous, dark green matte above, lighter semiglossy below

Inflorescence (Spadix & Spathe)

• Spathe lanceolate, white with brown central areas both inside and out
• Spadix cylindroid‑tapered and dirty white

Growth Habit

• Terrestrial, woody erect stem

Light Requirements

• Bright, indirect light
• Avoid direct sun to prevent leaf burn

Watering & Humidity

• Moist but not waterlogged

• High humidity (60–80%)

Soil & Potting Mix

• A well‑draining aroid mix (e.g., orchid bark, peat moss, perlite) 

Temperature & Fertilizer

• Temperatures range 18–30 °C

• Feed monthly with a balanced, dilute fertilizer during the growing season

Division and Stem Cuttings

• Divide clumps at the rhizome
• Ensure each division has roots and a growing point

Seeds

• Fresh seed germination in high humidity and warmth

• Viability may decline quickly after harvest

Typical Issues

• Spider mites and mealybugs
• Root rot

Treatment Recommendations

• Insecticidal soap or neem oil
• Repot and reduce watering 

• Named for D. Roubik, one of the type collectors
• Among the few Anthurium species with both spathe and spadix white

• Rare in cultivation

• Prized for its striking white inflorescence and large, lush foliage

Wild Population Status

• Known only from limited collections
• Conservation status not formally assessed but potentially vulnerable due to narrow range

Market Availability

• Extremely rare
• Available only through specialized collectors or botanical institutions