Amorphophallus hirsutus Teijsm. & Binn.

• Genus: Amorphophallus
• Botanical Background: Described by Teijsmann and Binnendijk in the 19th century, with its distinct features helping it to stand out among other species in the genus.

• Geographical Range: Found in the tropical forests of Southeast Asia, including regions of Indonesia, Malaysia, and surrounding islands
• Environment: Humid, shaded environments, typically at low to mid-elevations in well-drained, fertile soils; prefers consistently warm temperatures and high humidity, often found in regions with a seasonal monsoon climate.

Leaves

• Large, with a deep green coloration
• Compound, with leaflets that have a leathery texture
• Elongated shape and reaching impressive lengths

Inflorescence (Spadix & Spathe)

• Composed of a tall, thick spadix surrounded by a large, hairy spathe that is dark purple
• Scent not particularly strong

1Growth Habit

• A terrestrial plant that grows from a tuber
• Not epiphytic or climbing
• Can reach substantial heights during its growing phase

Light Requirements

• Prefers indirect, filtered light or dappled shade

Watering & Humidity

• Regular watering is essential to maintain moisture
• It is important to allow the soil to dry slightly between waterings
• Benefits from high humidity, ideally between 60-80%

Soil & Potting Mix

• Requires well-draining, loamy soil enriched with organic material
• A mix of peat and perlite or orchid bark works well

Temperature & Fertilizer

• Ideal temperature range is 24-30°C (75-86°F)
• Balanced liquid fertilizer can be applied every 2-3 weeks to encourage healthy growth

Division and Stem Cuttings

• Division of the tuber
• Each section should have a viable bud or growing point

Seeds

• Not commonly available
• Germination can be slow and requires warm, moist conditions

Typical Issues

• Aphids, scale, and mealybugs
• Root rot

Treatment Recommendations

• Organic insecticidal soap or neem oil can be effective for pest control
  
• Ensure the plant is in well-drained soil
• Fungicides may be necessary for severe fungal infections
  

• Impressive size and unique appearance of its inflorescence, making it a subject of interest for collectors and botanical enthusiasts
• Striking appearance and rarity
• A valuable addition to collections of aroids or tropical plants

Wild Population Status

• No immediate threats to the species' population
• Faces pressure from habitat loss

Market Availability

• Not commonly found in general plant markets
• Available through specialty nurseries or botanical collections