Stenospermation steyermarkii G.S.Bunting

• Genus: Stenospermation
• Botanical Background: Named by botanist G.S. Bunting, S. steyermarkii was first described in the mid-20th century. The species honors the contributions of naturalist Steyermark, who contributed to regional plant studies.

• Geographical Range: Native to the cloud forests of Central and South America, particularly found in regions of Honduras and Costa Rica at mid to high altitudes
• Environment: Thrives in humid, shaded areas with well-drained soils; typically found at elevations where the temperature is moderate; with regular rainfall and consistent humidity levels of 60-80%.

Leaves

• Large lance-shaped
• Dark green with slightly glossy textures
• Pronounced venation, giving the leaves a textured, ribbed appearance

Inflorescence (Spadix & Spathe)

• Relatively small, with a white to pale green color
• Subtle floral scent
• Pollination occurs through insect attraction, particularly by beetles

Growth Habit

• Typically terrestrial, growing directly from the soil with a small, rhizomatous root system
• Does not exhibit climbing or epiphytic habits

Light Requirements

• Bright indirect light
• Should be kept out of direct sunlight to avoid leaf scorch

Watering & Humidity

• Regular watering is essential, with the soil kept moist but not soggy
• High humidity is crucial
• Misting or placing the plant in a humidity tray is recommended

Soil & Potting Mix

• A well-draining, slightly acidic mix composed of peat, perlite, and bark works best
• Should be repotted into containers with drainage holes to prevent root rot

Temperature & Fertilizer

• Ideal temperatures range from 65°F to 75°F (18°C to 24°C)
• Balanced, water-soluble fertilizer during the growing season

Division

• Can be propagated through rhizome division

Stem Cuttings (if applicable)

• Ensure each division has a healthy root system and at least one leaf for successful propagation

Seeds

• Less commonly practiced. Seeds require high humidity and moderate temperatures for successful germination

Typical Issues

• Spider mites and mealybugs.
• Root rot is also a concern if the soil is kept too wet or not well-drained

Treatment Recommendations

• Neem oil or insecticidal soap is effective for mites and mealybugs
• Ensure proper drainage to prevent root rot and avoid overwatering

• Not widely known outside botanical circles but is a treasure for collectors due to its striking foliage and the rarity of its appearance in cultivation

• Glossy, deep green leaves and the unique, subtle appearance of its spadix make it a desirable ornamental plant for enthusiasts of rare Aroids

Wild Population Status

• Not currently listed as endangered, but its habitat is vulnerable to deforestation, which could impact wild populations

Market Availability

• Not commonly found in typical garden centers
• Can sometimes be acquired through specialty nurseries or collectors
• Not considered endangered but remains relatively rare in cultivation