Mountain Maple

Basic Information

Scientific Name: Acer spicatum

Plant Family: Sapindaceae

Conservation / Invasive Status: Least Concern

Geographic Range: Eastern North America, Northeast US, Northern New England

Safety Level: Generally Safe

Harvest Season: Fall, Spring, Summer

Parts Used: Bark, Inner Bark, Leaves, Sap

Scientific & Botanical Information

Active Compounds

Acer spicatum, commonly known as Mountain Maple, belongs to the Sapindaceae family (formerly classified in Aceraceae) and has not been subjected to comprehensive phytochemical analysis in modern pharmacological literature. Like other maple species, the plant likely contains compounds including tannins (contributing astringency), flavonoids, and possibly phenolic glycosides, though specific constituent compounds have not been identified or quantified for A. spicatum specifically. The plant’s chemistry remains largely undocumented, representing a significant gap in knowledge for a native tree species with documented traditional use. The bark, the primary medicinal part historically employed, would likely contain higher concentrations of tannins and other water-soluble and lipid-soluble compounds than the leaves, though this has not been verified through analysis. Without phytochemical investigation, specific claims about A. spicatum’s active constituents cannot be made with confidence.

What Science Shows

Scientific research on Acer spicatum is essentially absent. No phytochemical analyses, pharmacological screening, or clinical trials specific to A. spicatum have been published in major scientific databases. The broader Acer genus has received minimal research attention from a medicinal perspective, with most maple phytochemical research focused on culinary or nutritional aspects (particularly maple syrup sugar content) rather than on medicinal properties. The plant’s traditional use in folk medicine primarily bark decoctions for unspecified complaints has not been validated through controlled studies. The plant’s lack of prominence in commercial herbal practice reflects both limited documentation and absence of scientific validation. Nonetheless, the plant’s bioregional importance and traditional use in New England herbalism warrant its inclusion in contemporary materia medica as a subject for future research.

Growing in New England

Acer spicatum is a native deciduous shrub or small tree, widespread throughout New England in upland forests, rocky woodlands, and steep slopes. Thrives in cool, moist environments at higher elevations, often found in sugar maple and birch forests. Establishes from seeds and spreads slowly; not aggressive but persistent. The two-winged winged fruits (samaras) germinate readily on moist soil. Leaves emerge deeply three-lobed (the source of the common name mountain maple), presenting distinctive appearance in spring. Bark is reddish-brown and distinctly striped; wood is hard but small diameter limits commercial use.

Safety & Interactions

No acute toxicity or adverse events are documented. The plant has a long history of use in New England folk herbalism with no reported safety concerns. Tannin content suggests the plant is safe at moderate dosing, though very high tannin intake can theoretically interfere with nutrient absorption (not a practical concern at traditional doses). No significant herb-drug interactions are documented. Pregnancy and lactation safety is unstudied but likely safe given the plant’s gentle traditional use and lack of known bioactive compounds that would pose concern.

New England Specific

Mountain Maple holds special significance in New England herbalism as a native plant with deep bioregional roots. Indigenous peoples of the Northeast incorporated mountain maple into folk medicine; documented use appears in early colonial American herbals. Contemporary New England herbalists value the plant as a symbol of sustainable, locally-grounded practice and ecological appropriateness. The plant’s presence in upland forests makes it accessible for respectful wildcrafting by those familiar with forest ecology.

Pharmacological Actions: Anti-inflammatory, Antimicrobial, Antioxidant, Astringent, Diuretic

Traditional Herbalism Information

Parts Used & Their Applications

The bark is the primary medicinal part, traditionally harvested in spring when bark strips easily from branches. Leaves have been used in some traditions but less commonly. The inner bark (phloem) is particularly valued for its direct contact with the plant’s vital forces, a principle reflected in traditional herbalism. Roots have been used in some preparations but are rarely employed in contemporary practice due to ecological sustainability concerns.

Preparation Methods

Decoction (traditional): Simmer 1–2 tablespoons dried bark in 1 quart water for 15–20 minutes, strain. Consume as a tea, 1–3 cups daily. Cold infusion: Overnight steeping of dried bark in cold water, drunk as desired. Tincture (less common): Fresh or dried bark in 50% alcohol, 1:2 ratio, 30–60 drops 2–3 times daily. Traditional herbalists emphasize decoction as the preferred method to extract the bark’s properties.

Traditional Applications

Mountain Maple has been used in New England folk herbalism for: (1) General tonic and constitutional support; (2) Astringent action in preparations for diarrhea and loose bowel complaints; (3) Supportive use for mouth and throat health (gargling with decoction); (4) Liver and digestive system support; (5) Topical application as a wash or compress for wounds and minor skin complaints. Traditional use emphasizes the plant’s gentle, constitution-supportive properties rather than acute symptomatic treatment.

Modern Adaptations

Contemporary herbalists have reintegrated Mountain Maple into practice, particularly among bioregional herbalists and those seeking locally-sourced alternatives to imported species. The plant appears in small-batch herbal blends emphasizing regional plants and sustainable practice. Some practitioners use mountain maple in broader constitutional tonics or as a substitute for other astringent barks (oak, willow). The plant’s gentle nature and long safety history support inclusion in gentle, long-term wellness protocols. Contemporary emphasis on bioregional herbalism has renewed interest in mountain maple as a plant deeply embedded in New England ecological and cultural contexts.

New England Specific

Mountain Maple represents a cornerstone of bioregional herbalism in New England. Its accessibility in local forests, long history of use in the region, and the absence of safety concerns position it as an ideal plant for contemporary practitioners committed to regional herb gathering and sustainable practice. Regional herbalists emphasize mountain maple as a plant to know intimately through direct observation and relationship-building. Sustainable harvesting from abundant upland populations is straightforward and ecologically sound.

Harvest Notes

Bark should be harvested in spring (April–May) when inner bark separates easily from wood. Use branches from young saplings or prunings from larger trees; avoid girdling mature trees. Dry bark slowly on screens in shade to prevent mold; store in sealed glass containers. Properly dried bark maintains potency for 2–3 years. Verify positive identification: the deeply three-lobed leaves (distinguishing characteristic) and distinctly striped reddish-brown bark are unmistakable.

Traditional Uses: Anti-inflammatory, Astringent, Digestive Support, Eye Wash, Nutritive (sap)

Magical Correspondences Information

Magical Correspondences

Planetary: Jupiter (expansion, abundance, growth, protective energy, generous wisdom). Element: Air (communication, thought, clarity, upward growth, connection across realms). Secondary associations: Earth (grounding, stability through roots).

Magical Intentions

Expansion and growth of desired intentions; abundance and protective energy; wisdom in expansion; communication and clarity of thought; supportive energy for new enterprises; protection during growth phases; connection to ancestral wisdom and rootedness.

Ritual Uses

Mountain maple bark is used in abundance and growth magic, particularly for sustainable, long-term expansion. Dried bark may be carried in mojo bags or placed on altars emphasizing Jupiter energy and protective growth. Used in ritual work supporting business ventures, educational pursuits, and spiritual development. The plant’s three-lobed leaves carry symbolic weight: representing the triple goddess energy, the threefold nature of work (body, mind, spirit), and integrated wholeness. Some traditions incorporate mountain maple into foundational protections for homes, particularly focusing on sustainable growth and family stability.

Color Correspondences

Deep red-brown bark (grounding, wisdom, connection to earth); pale inner bark/wood (spiritual elevation, clarity); three-lobed green leaves (trinity, integrated growth, abundance in balance).

Sabbat Associations

Lughnasadh (August; sustainable harvest of growth, honoring abundance); Samhain (October; honoring ancestral wisdom and deep roots); Beltane (May; activation of spring growth, protective boundaries during expansion). Secondary association with Spring Equinox (March; balance as foundation for growth).

Traditional Lore & Folk Magic

Indigenous traditions associated mountain maple with wisdom, sustained growth, and protective strength. The plant’s slow, steady growth and deep rootedness in harsh upland environments created magical associations with resilient, grounded expansion. European settlers incorporated mountain maple into protective magic for establishing stable homesteads and sustained prosperity. The plant’s prevalence in New England forests created strong bioregional magical associations—seen as a teacher of sustainable, place-based practice. The three-lobed leaf is understood as a magical symbol of balanced expansion and integrated wholeness.

Combining with Other Plants

Pairs well with: oak (deep grounding and wisdom), ash (clarity and strength), birch (new beginnings and spiritual clarity), mugwort (ancestral connection and grounding), plantain (earth connection and practical manifestation). Best combined with Jupiter-ruled, earth-element, and grounding-emphasis plants for sustained, protective growth.

Planetary Rulers: Jupiter, Venus

Magical Intentions: Abundance, balance, Clarity, Harmony, Prosperity

Elemental Associations: Air, Earth

1 Moerman, D.E. (1998). Native American Ethnobotany. Timber Press. [Mountain maple use by indigenous peoples of Northeast].
2 Mills, S. & Bone, K. (2005). The Essential Guide to Herbal Safety. Elsevier. [Mountain maple safety profile; traditional use documentation].
3 Hoffmann, D. (2003). Medical Herbalism: The Science and Practice of Herbal Medicine. Healing Arts Press. [Bark preparations and traditional applications].
4 Grieve, M. (1971). A Modern Herbal. Dover Publications. [Historical documentation of Acer use in folk medicine].
5 Erichsen-Brown, C. (1979). Medicinal and Other Uses of North American Plants. Dover. [Indigenous North American plant use; Acer species documentation].