Lacy Tree Philodendron vs Mountain Mahogany Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Lacy Tree Philodendron

Lacy Tree Philodendron

Thaumatophyllum bipinnatifidum

VS
Mountain Mahogany

Mountain Mahogany

Cercocarpus montanus

Lacy Tree Philodendron

Lacy Tree Philodendron

Thaumatophyllum bipinnatifidum

Thaumatophyllum bipinnatifidum, commonly known as the Lacy Tree Philodendron or Selloum, is a large, evergreen plant characterized by its deeply lobed, glossy green leaves. Despite its common name, it is not a true philodendron. It exhibits a shrub-like growth habit, developing a thick, trunk-like stem as it matures. While it can reach impressive sizes outdoors, indoor specimens remain more manageable. It's popular for its bold, tropical appearance and relatively easy care, making it a statement piece in homes and offices.

Araceae South America, specifically Brazil, Paraguay, Bolivia, and Argentina
✨ Features: Large, dramatic foliage; air purifying qualities.
📖 Read Complete Lacy Tree Philodendron Guide
Mountain Mahogany

Mountain Mahogany

Cercocarpus montanus

Cercocarpus montanus, commonly known as Alderleaf Mountain Mahogany, is a deciduous or evergreen shrub or small tree typically reaching heights of 1-6 meters. It features distinctive, leathery, serrated leaves that resemble those of alder trees. This plant is primarily found in dry, rocky slopes and canyons. While valued for its drought tolerance and erosion control capabilities in native habitats, it is not typically grown indoors. People cultivate it outdoors for its attractive foliage, interesting bark, and wildlife value.

Rosaceae Western North America
✨ Features: Drought tolerance, erosion control, wildlife habitat, attractive bark and foliage.
📖 Read Complete Mountain Mahogany Guide

Quick Plant Comparison

Feature Lacy Tree Philodendron Mountain Mahogany
Light Bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day. Full sun to partial shade
Watering Every 1-2 weeks, depending on environmental conditions and pot size. Every 2-4 weeks, depending on rainfall and soil drainage.
Humidity 40-70% 20-50%
Temperature 18-24°C 10-27°C
Care Level Moderate Expert
Growth Rate Moderate Slow
Max Height 1-2 meters indoors N/A (Outdoor plant, not suitable for indoor growing)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a blend of peat moss, perlite, and vermiculite. Well-draining, rocky or sandy soil.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 15 minutes weekly (primarily for watering and occasional pruning)

🔬 Botanical Information — Comparing These Plants

Lacy Tree Philodendron

Scientific Name Thaumatophyllum bipinnatifidum
Family Araceae
Native To South America, specifically Brazil, Paraguay, Bolivia, and Argentina
Also Known As Lacy Tree Philodendron, Split-Leaf Philodendron, Selloum
Leaves The leaves are large, deeply lobed, and glossy green. They can grow up to 90 cm long and wide. The lobes are highly dissected, giving the plant a lacy appearance. New leaves emerge unfurled and gradually expand.
Flowers It rarely flowers indoors. When it does flower (typically outdoors), it produces a spadix and spathe, similar to other members of the Araceae family.

Mountain Mahogany

Scientific Name Cercocarpus montanus
Family Rosaceae
Native To Western North America
Also Known As Alderleaf Mountain Mahogany, True Mountain Mahogany, Mountain Mahogany
Leaves The leaves are alternate, simple, and leathery, typically 1-4 cm long. They are oval to oblong in shape with serrated or toothed margins, resembling alder leaves. The color is typically a dull green to gray-green.
Flowers It produces small, inconspicuous flowers in the spring. These flowers are not typically showy and are followed by feathery, plumed seeds.

📏 Size & Growth — Plant Comparison

Lacy Tree Philodendron

Height 1-2 meters indoors
Spread 1-2 meters
Growth Rate Moderate
Growth Pattern It grows upright and spreading, forming a shrub-like shape. As it matures, it develops a thick, trunk-like stem. It does not aggressively spread via rhizomes.

Mountain Mahogany

Height N/A (Outdoor plant, not suitable for indoor growing)
Spread N/A (Outdoor plant, not suitable for indoor growing)
Growth Rate Slow
Growth Pattern Typically grows as a multi-stemmed shrub or small tree with an upright, branching habit. It can form dense thickets in some areas.

🌱 Propagation — Comparing Plant Growth

Lacy Tree Philodendron

Methods: Stem cuttings, Division, Seed (though rare indoors)

Difficulty: Moderate

Tips: Take stem cuttings with aerial roots and place them in water or directly into moist potting mix. Keep the cutting warm and humid. Division can be done when repotting mature plants.

Mountain Mahogany

Methods: Seed, cuttings, layering

Difficulty: Moderate

Tips: For seeds, scarify and stratify before sowing. Take semi-hardwood cuttings in late summer. Layering can be done in spring or fall.

✨ Benefits & Features — Comparing Plant Value

Lacy Tree Philodendron

The deeply lobed leaves are its most distinctive feature, giving it a lush, tropical appearance. It develops a trunk-like stem as it matures, adding to its architectural appeal. It is not a true philodendron, despite its common name.

  • ✓ Adds a tropical aesthetic to your home
  • ✓ Purifies the air by removing toxins
  • ✓ Creates a relaxing and calming atmosphere
  • ✓ Provides a sense of connection to nature
  • ✓ Relatively easy to care for, boosting confidence in plant care abilities
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

Mountain Mahogany

Mountain Mahogany is known for its exceptional drought tolerance and its ability to thrive in harsh, rocky environments. Its dense wood and attractive bark make it a valuable plant for both ecological and aesthetic purposes.

  • ✓ Erosion control on slopes
  • ✓ Provides habitat and food for wildlife
  • ✓ Drought-tolerant and low-maintenance
  • ✓ Adds visual interest with unique bark and foliage
  • ✓ Supports native ecosystems
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Lacy Tree Philodendron

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Remove any dead or yellowing leaves. Prune to maintain shape and size.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter when growth slows. Provide supplemental light if needed. Increase watering and fertilization during the growing season (spring and summer).

Mountain Mahogany

Repotting N/A (Outdoor plant)
Pruning Prune in late winter or early spring to remove dead or crossing branches and to shape the plant.
Fertilizing Generally not needed in native soils. If desired, apply a slow-release fertilizer in early spring at half strength.
Seasonal Care In winter, reduce watering and protect from extreme cold if young. In summer, ensure adequate drainage and monitor for pests.

🌞 Light Requirements

Lacy Tree Philodendron

Bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ✅ Yes

Mountain Mahogany

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Lacy Tree Philodendron

Water thoroughly when the top 2-3 inches of soil are dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in drooping leaves and dry, crispy edges.

Mountain Mahogany

Water deeply but infrequently, allowing the soil to dry out between waterings. Overwatering can lead to root rot. Signs of underwatering include wilting leaves, while overwatering can manifest as yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Lacy Tree Philodendron

Temperature: 18-24°C

Humidity: 40-70%

Mountain Mahogany

Temperature: 10-27°C

Humidity: 20-50%

🤔 Which Plant Is Right For You?

Lacy Tree Philodendron

Lacy Tree Philodendron

Thaumatophyllum bipinnatifidum
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Those seeking a bold, tropical statement plant that is relatively easy to care for.

✅ Choose This Plant If...

  • You want a large, statement plant for your home.
  • You appreciate tropical foliage.
  • You are looking for a relatively low-maintenance plant.
  • You have a space with bright, indirect light.
  • You want to add a touch of the jungle to your indoor environment.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You have limited space.
  • You tend to overwater plants.
📍 Ideal Location: Living room, office, or any space with bright, indirect light.
🎨 Style: Tropical, Bohemian, Modern
🏠 Apartment Friendly: Limited
🌬️ Air Purifying: Yes (NASA verified)
⚠️ All parts of the plant contain calcium oxalate crystals, which are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing.
Mountain Mahogany

Mountain Mahogany

Cercocarpus montanus
Care: Expert Time: 15 minutes weekly (primarily for watering and occasional pruning) Beginner: No

Landowners seeking a drought-tolerant, native plant for erosion control and wildlife habitat in western North America.

✅ Choose This Plant If...

  • You live in a dry, western climate and need a drought-tolerant plant.
  • You want to attract wildlife to your property.
  • You need a plant for erosion control on a slope.
  • You appreciate the unique texture and color of its bark and foliage.
  • You prefer native plants that require minimal maintenance.

❌ Skip This Plant If...

  • You want an indoor plant.
  • You live in a humid climate with poorly draining soil.
  • You have pets that might ingest the plant.
  • You are looking for a fast-growing plant.
📍 Ideal Location: Outdoor, sunny location with well-draining soil.
🎨 Style: Natural, Rustic, Southwestern
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, plants in the Rosaceae family, which includes Cercocarpus montanus, contain cyanogenic glycosides, which can be toxic to dogs, cats, and horses. Symptoms include difficulty breathing, dilated pupils, and bright red mucous membranes. The leaves and seeds are the most toxic parts.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Lacy Tree Philodendron is rated Moderate care level, while Mountain Mahogany is Expert.

📈

Lacy Tree Philodendron has moderate growth, while Mountain Mahogany grows slow.

💡 Pro Tips For Comparing These Plants

Lacy Tree Philodendron Care Tips

Lacy Tree Philodendrons are relatively easy to care for indoors, provided they receive adequate light and are not overwatered. They require well-draining soil and occasional fertilization. Regular cleaning of the leaves will keep them healthy and attractive. They can become large, so provide ample space.

  • Provide bright, indirect light for optimal growth.
  • Allow the top 2-3 inches of soil to dry out before watering.
  • Fertilize regularly during the growing season.
  • Wipe the leaves with a damp cloth to remove dust and improve photosynthesis.
  • Provide a support structure, such as a moss pole, for the plant to climb if desired.
❄️ Winter: Reduce watering frequency as the plant's growth slows down. Ensure the plant is not exposed to cold drafts. Provide supplemental light if needed.
☀️ Summer: Water more frequently during the warmer months as the plant actively grows. Protect the plant from intense, direct sunlight to prevent leaf burn. Increase humidity if possible.

Mountain Mahogany Care Tips

Mountain Mahogany is an outdoor plant and not suited for indoor cultivation. It requires full sun, well-draining soil, and infrequent watering. Indoor conditions lack the necessary light and airflow, making it difficult to maintain its health. Attempting to grow it indoors will likely result in a struggling, unhealthy plant.

  • Ensure excellent drainage to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out completely between waterings.
  • Prune in late winter or early spring to maintain shape and remove deadwood.
  • Monitor for pests like spider mites and treat promptly.
  • Avoid over-fertilizing, as this can lead to leggy growth.
❄️ Winter: Reduce watering significantly during the winter months. Protect young plants from extreme cold and heavy snow loads.
☀️ Summer: Ensure adequate drainage during the summer months, especially during periods of heavy rainfall. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lacy Tree Philodendron

Common Issues: Yellowing leaves, Root rot, Mealybugs, Spider mites
Solutions: Yellowing leaves: Adjust watering schedule and check for nutrient deficiencies. Root rot: Repot in fresh, well-draining soil and reduce watering. Mealybugs: Treat with insecticidal soap or neem oil. Spider mites: Increase humidity and treat with insecticidal soap or neem oil.

Mountain Mahogany

Common Issues: Root rot, iron chlorosis, spider mites
Solutions: Ensure well-draining soil to prevent root rot. Correct iron chlorosis with chelated iron supplements. Treat spider mites with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Lacy Tree Philodendron

What are the light requirements for Lacy Tree Philodendron?

Lacy Tree Philodendrons require bright, indirect light to thrive. Direct sunlight can scorch their leaves, causing unsightly burns. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, but the plant may grow slower. If placed near a south or west-facing window, use a sheer curtain to filter the intense light. Insufficient light can lead to leggy growth and smaller, less-defined leaves. Rotate the plant regularly to ensure even light exposure on all sides. Monitor the leaves for signs of light stress, such as yellowing or browning.

How do I care for Lacy Tree Philodendron?

Lacy Tree Philodendrons thrive in bright, indirect light; avoid direct sunlight to prevent leaf burn. Water when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain humidity levels around 60-70% by misting regularly or using a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years, or when the plant becomes root-bound, using a well-draining potting mix. Provide support, such as a moss pole, as the plant matures and its aerial roots develop. Regularly wipe the leaves to remove dust and pests. Keep temperatures between 65-80°F (18-27°C).

How do I propagate Lacy Tree Philodendron?

Lacy Tree Philodendrons can be easily propagated through stem cuttings, division, or air layering. For stem cuttings, take a cutting with at least one node and place it in water or directly into moist potting mix. Keep the cutting in a warm, humid environment until roots develop. For division, carefully separate the root ball into smaller sections and repot each section into its own container. Air layering involves wrapping a node with moist sphagnum moss and covering it with plastic wrap until roots form, then cutting below the roots and potting the new plant.

Mountain Mahogany

What are the light requirements for Mountain Mahogany?

Mountain Mahogany requires bright, indirect light to thrive indoors. Insufficient light can lead to leggy growth and reduced foliage density. A location near an east- or west-facing window is ideal, providing several hours of gentle sunlight each day. Avoid placing the plant in direct sunlight, especially during the hottest part of the day, as this can scorch the leaves. If natural light is limited, consider supplementing with a grow light to ensure adequate illumination. Rotate the plant periodically to promote even growth on all sides. During winter, when light levels are lower, move the plant closer to a window or increase the use of artificial light.

How do I care for Mountain Mahogany?

Mountain Mahogany thrives in bright, indirect light; avoid direct sunlight to prevent leaf scorch. Water thoroughly when the top inch of soil is dry, allowing excess water to drain away. Use well-draining soil in a pot with drainage holes to prevent root rot. Maintain moderate indoor temperatures (60-75°F or 15-24°C) and avoid sudden temperature fluctuations. Fertilize sparingly, only during the growing season (spring and summer), with a balanced liquid fertilizer diluted to half strength. Prune lightly to maintain shape and remove any dead or damaged branches. Repot only when necessary, typically every 2-3 years, into a slightly larger pot. Ensure stable conditions and avoid overwatering. Monitor for pests like spider mites and treat promptly if detected. Provide good air circulation.

How do I propagate Mountain Mahogany?

Mountain Mahogany can be propagated through stem cuttings and air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Rooting typically takes several weeks. For air layering, select a healthy stem and make a small incision. Apply rooting hormone to the incision and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Once roots develop (visible through the plastic), cut the stem below the roots and pot the new plant. Maintain stable conditions. Ensure proper hydration.

Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.