Anthurium marinoanum Croat

• Genus: Anthurium
• Botanical Background: Described by the botanist Thomas B. Croat in 1980. It was named after the region in which it was discovered, with its specific epithet referring to the locality.

• Geographical Range: Native to the tropical rainforests of Central America, particularly in Costa Rica and Panama, where it grows in the lowland regions.
• Environment: Humid, warm environments with moderate shade, thriving in moist, well-drained soils rich in organic matter; grows at elevations between 100 and 1,000 meters above sea level.

Leaves

• Large, dark green, and glossy
• Broad and ovate shape
• Leathery texture

Inflorescence (Spadix & Spathe)

• Spadix surrounded by a pale green spathe
• Emits a faint and sweet scent

Growth Habit

• Terrestrial
• Robust, upright growth habit
• Produces a rhizomatous root system

Light Requirements

• Bright, indirect
• Direct sunlight can scorch the leaves

Watering & Humidity

• Consistent moisture but does not tolerate waterlogged conditions
• Humidity levels around 60% or higher

Soil & Potting Mix

• A well-draining, rich organic potting mix
• A mixture of peat, perlite, and pine bark

Temperature & Fertilizer

• Temperature range is 20°C to 28°C (68°F to 82°F)

• During the growing season, it benefits from monthly applications of a balanced, water-soluble fertilizer

Division and Stem Cuttings

• Most common propagation method is by division of the rhizomes
• Can be done when repotting, ensuring each division has roots and a portion of the plant

Seeds

• Less commonly practiced
• Seeds need warm, humid conditions to germinate effectively, and it may take several months for them to sprout

Typical Issues

• Spider mites, mealybugs, and aphids 
• Root rot

Treatment Recommendations

• Insecticidal soap or neem oil
• Ensure proper drainage
• Avoid overwatering
• Use a fungicide for any fungal infections that may arise

• Not just decorative but also serves an ecological role in its native rainforest
• Not been widely studied for medicinal purposes but is noted for its beauty

• Large, glossy leaves and its relatively uncommon status in cultivation
• Sought by collectors due to its aesthetic appeal and rarity

Wild Population Status

• Not listed as endangered
• Populations are limited to specific regions of Central America, making it somewhat rare in the wild

Market Availability

• Not widely available in commercial nurseries
• Typically found in specialist aroid collections or through private collectors