Acer catalpifolium

Acer catalpifolium, commonly known as the catalpa-leaved maple, is a distinctive deciduous tree belonging to the Sapindaceae family. It is recognized for its unique leaf morphology, which strongly resembles that of the Catalpa genus. This morphological curiosity makes it a significant species for botanical research and specialized collections.

The species is native to the mountainous regions of China, specifically within the Sichuan and Hubei provinces. It typically inhabits mixed broad-leaved forests at moderate altitudes. Due to its limited natural distribution, it is categorized as a species of interest for conservationists and is highly sought after by botanical gardens worldwide for its rarity.

Botanically, Acer catalpifolium features simple, entire leaves with an acuminate apex and a unique vein pattern. The tree develops a spreading crown, providing a refined aesthetic profile. The inflorescences appear in the spring, eventually developing into samaras that utilize wind dispersal to propagate, following typical patterns observed in the Acer genus.

Cultivation requirements for this maple include well-drained, fertile soil with a slightly acidic to neutral pH. It thrives in temperate climates and prefers sites with adequate rainfall and partial shade during its juvenile phase to prevent leaf scorch. Proper soil structure is essential, as the roots are sensitive to waterlogging and compaction.

The primary use of Acer catalpifolium is ornamental, serving as a specimen tree in arboretums and high-end landscaping projects. Management practices must include monitoring for typical maple pests such as aphids or scale insects, and managing fungal pathogens like powdery mildew. Regular fertilization with balanced organic matter supports healthy growth and vigor in young trees.

• Member of the Sapindaceae family.
• Prefers cool, temperate conditions.
• Requires protection from extreme winds and intense sun.
• Subject to standard maple leaf spot diseases.
• Propagated via seed germination or specialized grafting.