Boxwood Topiary

Sellum is a foliage houseplant that adds a tropical feel to any room with its large, deeply lobed leaves. Known for its air-purifying qualities, it is a great choice for creating a lush indoor environment.

1. Basic Identification

Common Name: Sellum, Lacy Tree Philodendron
Botanical Name: Thaumatophyllum bipinnatifidum
Arabic Name: فيلوديندرون سيلوم
Plant Variant: Not available
Plant Color: Deep Green
Plant Country: South America (Brazil, Argentina, Bolivia, Paraguay)
Stems: Thick, woody trunk with eye-shaped leaf scars
Family: Araceae
Location: Indoor

2. Taxonomy & Classification

Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Araceae
Genus: Thaumatophyllum
Species: T. bipinnatifidum

3. Origin & Distribution

Native to the tropical regions of South America, specifically Brazil, Bolivia, Argentina, and Paraguay. It is widely cultivated globally as a popular ornamental plant for its exotic, prehistoric appearance.

4. Visual Characteristics

Features enormous, glossy green leaves that are deeply divided into many lobes, giving it a lacy or "torn" appearance. As the plant matures, it develops a visible, tree-like trunk marked by distinctive scars where old leaves have fallen off.

5. Size & Dimensions

Indoors, it typically grows 3 to 5 feet tall and wide. In its natural habitat or outdoor tropical settings, it can reach massive sizes of up to 10-15 feet in height and spread.

6. Light Requirements

Prefers bright, indirect sunlight. It can tolerate medium light levels, but growth will be slower and leaves may be smaller. Avoid direct midday sun, which can scorch the foliage.

7. Watering Needs

Water thoroughly when the top 50% of the soil feels dry. Keep the soil consistently moist but never waterlogged. Ensure proper drainage to prevent root rot.

8. Soil & Potting

Thrives in a rich, well-draining organic potting mix. A combination of peat moss, perlite, and pine bark is ideal to provide both moisture retention and aeration.

9. Temperature & Humidity

Prefers warm temperatures between 65°F and 80°F (18°C-27°C). It loves high humidity; misting the leaves or using a humidifier is recommended if the indoor air is dry.

10. Fertilization

Feed monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Reduce feeding during the dormant winter months.

11. Maintenance & Care Level

Moderate care level. Requires regular dusting of the large leaves to keep them shiny and healthy. Prune yellowing or damaged lower leaves to maintain a tidy appearance.

12. Growth & Propagation

Relatively fast-growing during the warm season. Propagation is primarily done through stem cuttings or from seed, though seed germination can be slow.

13. Common Problems

Susceptible to common pests like spider mites, aphids, and mealybugs. Overwatering is the most common issue, leading to root rot and yellowing leaves.

14. Benefits & Uses

An excellent air-purifying plant that effectively removes common indoor toxins like formaldehyde. It is highly valued in interior design as a statement "floor plant" for homes and offices.

15. Toxicity & Safety

Toxic to both humans and pets if ingested. Contains calcium oxalate crystals, which cause immediate irritation of the mouth, throat, and digestive tract.