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Safety Overview
1.Black Sage — Overview
Cordia alliodora, widely recognized as Black Sage, is a majestic and rapidly growing deciduous tree native to the vast tropical and subtropical regions of the Neotropics. Its extensive natural habitat spans from southern Mexico, through Central America and the Caribbean archipelago, reaching deep into South America.
This impressive species typically attains heights of 20 to 30 meters, with some exceptional specimens soaring to 35 meters, distinguished by a remarkably straight, cylindrical trunk that can achieve a diameter of up to 1 meter. The crown of Black Sage is generally rounded and broadly spreading, providing substantial shade, which makes it a highly valued species in agroforestry systems and urban green spaces where shade and aesthetic appeal are desired.
The bark of the Cordia alliodora tree exhibits a light brown to grayish coloration, often developing distinct fissures and prominent longitudinal furrows as it matures, imparting a rugged and textured appearance. Its leaves are arranged alternately along the branches, presenting a simple, elegant form that ranges from elliptical to ovate.
These leaves typically measure between 6 and 18 cm in length and are notable for their prominent venation, a slightly rough tactile quality due to the presence of minute trichomes, and an entire (smooth) margin. Young leaves frequently display a reddish tinge, gradually transitioning to a vibrant, rich green as they mature, significantly contributing to the tree's overall visual charm.
One of the most captivating features of Black Sage is its prolific and spectacular flowering. The tree produces an abundant cascade of small, intensely fragrant, white to cream-colored flowers.
These blossoms are densely clustered into large, showy terminal panicles, which often completely envelop the tree's entire crown, creating a breathtaking visual spectacle. Beyond their beauty, these flowers serve as a vital source of nectar and pollen, attracting a diverse array of pollinators, including various species of bees, butterflies, and other insects, thus playing a crucial ecological role.
Trusted Scientific References
Authoritative external sources for Cordia alliodora:
1.1.Black Sage — Standout Qualities
- ✓Majestic Deciduous Tree — Cordia alliodora is a large, fast-growing tree reaching up to 35 meters with a broad, spreading crown.
- ✓Neotropical Native — Indigenous to a vast region spanning from Mexico through Central and South America and the Caribbean.
- ✓Highly Fragrant Flowers — Produces abundant, showy panicles of small, intensely fragrant white to cream-colored blossoms.
- ✓Significant Pollinator Attractor — Its flowers are a crucial nectar and pollen source for various bees and butterflies.
- ✓Novel Chemical Constituents — Contains unique isoindoline alkaloids and lignanamides with potential therapeutic value.
- ✓Demonstrated Antimicrobial Activity — Extracts show efficacy against both pathogenic bacteria and fungi in laboratory settings.
- ✓In Vitro Antiproliferative Effects — Exhibits activity against human lung cancer cell lines, indicating potential for cancer research.
- ✓Valuable Agroforestry Species — Utilized for its rapid growth, shade provision, and timber quality in tropical regions.
- ✓Distinctive Bark and Foliage — Characterized by fissured bark and alternately arranged, slightly rough, ovate leaves.
- ✓Promising Botanical Research Subject — Continues to be a focus for discovering new natural products and their medicinal applications.
1.2.Black Sage — Snapshot Summary
- ✓Neotropical Tree — Cordia alliodora is a fast-growing deciduous tree native to a wide range across the Americas.
- ✓Medicinal Properties — Exhibits promising antimicrobial and antiproliferative activities against specific cancer cell lines.
- ✓Unique Phytochemistry — Contains novel isoindoline alkaloids and lignanamides, alongside known flavonoids.
- ✓Traditional Applications — Historically used for various ailments, particularly those involving infections and inflammation.
- ✓Ecological Value — Provides significant shade and serves as a vital resource for pollinators.
- ✓Research Gap — Further human clinical trials are needed to fully validate its efficacy and safety for therapeutic use.
2.Black Sage — Scientific Identity
3.Black Sage — Categories & Tags
4.Black Sage — Plant Morphology
5.Black Sage — Ethnobotanical Uses
6.Black Sage — Active Compounds
- ✓Isoindoline Alkaloids — Notably, 5-O-[β-D-apiofuranosyl-(1→6)-β-d-glucopyranosyl]-1-isoindolinone (compound 1) is a novel alkaloid isolated from Cordia alliodora root bark, contributing to its unique pharmacological profile, especially antimicrobial actions.
- ✓Lignanamides — A new lignanamide, N-(2E)-3-[(2S,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-7-methoxy-2,3-dihydro-1-benzofuran-5-yl]acryloylglycine (compound 2), has been identified in the root bark, demonstrating significant antiproliferative effects.
- ✓Flavonoids — Compounds such as afzelin and quercitrin, commonly found in related Cordia species, are expected in Black Sage. These are potent antioxidants and contribute to anti-inflammatory and free radical scavenging activities.
- ✓Tannins — These polyphenolic compounds are abundant in the bark and leaves of many trees, including potentially Cordia alliodora, providing astringent properties useful in traditional medicine for wound healing and digestive issues.
- ✓Saponins — Natural detergents found in various plant parts, saponins can exhibit hemolytic, anti-inflammatory, and immune-stimulating properties, contributing to the plant's overall medicinal effects.
- ✓Terpenoids — A diverse group of organic compounds responsible for the plant's fragrance and various biological activities, including antimicrobial, anti-inflammatory, and potentially anticancer effects.
- ✓Phenolic Acids — Derivatives of benzoic and cinnamic acids, these compounds are strong antioxidants and often contribute to the plant's defense mechanisms and medicinal properties.
- ✓Glycosides — These are molecules in which a sugar is bound to another functional group via a glycosidic bond. They can influence the bioavailability and activity of other plant compounds, often conferring specific therapeutic effects.
7.Black Sage — Research Insights
- ✓Antimicrobial Activity — Extracts from Cordia alliodora root bark have demonstrated significant activity against a range of Gram-positive and Gram-negative bacteria, as well as human pathogenic fungi, suggesting potential as a natural antiseptic.
- ✓Antiproliferative Effects — Research indicates that compounds isolated from Black Sage exhibit antiproliferative activity against human non-small-cell bronchopulmonary carcinoma (NSCLC-N6) and epidermoid lung cancer (A549) cell lines in in vitro studies.
- ✓Anti-inflammatory Potential — The presence of flavonoids like quercitrin and afzelin, common in Cordia species, suggests a potential for anti-inflammatory actions, which could help alleviate symptoms of various inflammatory conditions.
- ✓Antioxidant Properties — Flavonoids and phenolic compounds typically found in plants like Cordia alliodora are known for their strong antioxidant capacities, helping to neutralize free radicals and protect cells from oxidative stress.
- ✓Wound Healing Support — Given its antimicrobial properties and the observed effects on normal human skin fibroblast cell lines, Black Sage may traditionally support wound healing by preventing infection and promoting tissue regeneration.
- ✓Pain Management — Through its potential anti-inflammatory mechanisms, Cordia alliodora could offer traditional relief from various types of pain, including musculoskeletal discomfort and headaches.
- ✓Respiratory Health — The antiproliferative activity against lung cancer cells suggests a deeper interaction with respiratory system health, potentially offering benefits for managing certain respiratory ailments, though further research is needed.
- ✓Dermatological Applications — The positive effect on normal human skin fibroblasts, combined with antimicrobial action, indicates a traditional role in promoting skin health, managing skin infections, and improving skin integrity.
- ✓Immunomodulatory Effects — Many plant secondary metabolites, including those found in Black Sage, can modulate immune responses, potentially enhancing the body's natural defenses against pathogens and diseases.
- ✓Digestive Aid — Historically, some tropical plants with astringent properties (due to tannins) are used to address digestive upsets, such as diarrhea, by toning the intestinal lining.
7.1.Black Sage — Reported Uses
8.Black Sage — Adverse Effects
8.1.Black Sage — Possible Adverse Reactions
- ✓Allergic Reactions — Individuals sensitive to plants in the Boraginaceae family may experience allergic reactions, including skin rashes, itching, or respiratory symptoms upon contact or ingestion.
- ✓Gastrointestinal Upset — Oral consumption of Black Sage preparations might lead to mild gastrointestinal disturbances such as nausea, stomach discomfort, or diarrhea in some individuals.
- ✓Drug Interactions — The phytochemicals in Cordia alliodora could potentially interact with prescription medications, particularly blood thinners, antidiabetic drugs, or immunosuppressants, altering their efficacy or side effects.
- ✓Liver Toxicity — As with many potent botanicals, long-term or high-dose internal use may pose a theoretical risk of liver toxicity, although specific data for Black Sage is lacking.
- ✓Photosensitivity — Some plant compounds can increase sensitivity to sunlight, potentially leading to sunburn or skin irritation in susceptible individuals.
- ✓Pregnancy and Lactation — Due to the absence of safety data, pregnant and breastfeeding individuals should strictly avoid using Black Sage to prevent potential risks to mother or child.
- ✓Children — The use of Cordia alliodora in children is not recommended due to insufficient research on its safety and appropriate dosages in pediatric populations.
8.2.Black Sage — Toxicity Assessment
- ✓Limited Human Studies — The safety and efficacy of Cordia alliodora in humans are not extensively established through clinical trials, warranting cautious use and professional guidance.
- ✓Professional Consultation — Always consult a healthcare provider or a qualified medical herbalist before incorporating Black Sage into a health regimen, especially for existing health conditions or medication use.
- ✓Patch Testing for Topical Use — Before widespread topical application, perform a patch test on a small skin area to check for any allergic reactions or sensitivities.
- ✓Avoid During Pregnancy and Lactation — Due to a lack of safety data, pregnant and breastfeeding individuals should completely avoid the use of Black Sage products.
- ✓Not for Pediatric Use — Cordia alliodora should not be administered to children, as its safety and appropriate dosing for this age group remain unstudied.
- ✓Monitor for Adverse Reactions — Discontinue use immediately and seek medical advice if any adverse reactions or unusual symptoms occur after consuming or applying Black Sage.
- ✓Not a Substitute for Conventional Medicine — Black Sage should not be used as a sole treatment for serious medical conditions, particularly those for which it has only shown in vitro activity.
9.Black Sage — How to Use
- ✓Decoction — For extracting beneficial compounds from the hardier parts like bark and roots of Cordia alliodora, a decoction involves simmering the plant material in water for an extended period.
- ✓Infusion — The leaves and flowers of Black Sage can be prepared as an infusion, similar to tea, by steeping them in hot water to extract their water-soluble medicinal properties.
- ✓Poultice — Traditionally, crushed or macerated leaves and bark might be applied topically as a poultice to wounds, skin infections, or inflammatory areas, leveraging its antimicrobial and anti-inflammatory potential.
- ✓Tincture — An alcoholic extract of Cordia alliodora can be prepared, allowing for a concentrated form that preserves a broad spectrum of phytochemicals and offers a longer shelf life.
- ✓External Washes — Infusions or decoctions can be cooled and used as external washes or gargles for minor skin irritations, oral hygiene, or superficial infections.
- ✓Standardized Extracts — While not widely available, future pharmaceutical development may lead to standardized extracts, ensuring consistent potency and dosage for specific therapeutic applications.
- ✓Expert Consultation — Due to limited clinical data, it is crucial to consult a qualified medical herbalist or healthcare professional before using Black Sage for medicinal purposes, especially for internal consumption.
- ✓Dosage — Specific safe and effective dosages for human use of Cordia alliodora are not well-established, emphasizing the need for professional guidance and cautious application.
10.Black Sage — Growth Requirements
- ✓Climate — Cordia alliodora thrives in tropical and subtropical climates, requiring warm temperatures and high humidity, making it unsuitable for frost-prone regions.
- ✓Sunlight — This species prefers full sunlight exposure to ensure robust growth and prolific flowering, though it can tolerate partial shade in its juvenile stages.
- ✓Soil Requirements — Black Sage grows best in well-drained, fertile soils with a slightly acidic to neutral pH. It can adapt to a range of soil types but benefits from organic matter.
- ✓Watering — Young trees require regular and consistent watering to establish a strong root system. Mature trees are more drought-tolerant but benefit from supplemental irrigation during dry periods.
- ✓Propagation — Black Sage can be propagated from seeds, which should be fresh for optimal germination rates. Cuttings can also be used, though success rates may vary.
- ✓Pruning — Minimal pruning is typically required, primarily for shaping the crown, removing dead or diseased branches, or managing its size in urban landscapes.
- ✓Growth Rate — Known for its rapid growth, Cordia alliodora can quickly establish itself and provide shade, making it a popular choice for reforestation and agroforestry projects.
- ✓Pest and Disease Resistance — Generally, Black Sage exhibits good resistance to common pests and diseases, particularly when grown in its native or suitable environmental conditions.
Reviewed by the Flora Medical Global Botanical Review Panel
Multi-disciplinary editorial group · Botany · Ethnobotany · Herbal-medicine literature
Who reviewed this: This page was checked by the Flora Medical Global Botanical Review Panel — an in-house editorial group of botany graduates, ethnobotany researchers, and horticulture practitioners who collectively maintain our 7,000+ plant encyclopedia. Meet the team.
Our 4-step verification process
1. Taxonomic verification
Scientific names and synonyms cross-checked against Kew POWO, World Flora Online, and The Plant List.
2. Phytochemical & medicinal cross-reference
Active compounds, traditional uses, and reported activities are cross-referenced with PubMed, USDA Dr. Duke's database, and peer-reviewed ethnobotanical literature.
3. Conservation & distribution check
Distribution, ecology, and conservation status confirmed against GBIF occurrence records and the IUCN Red List.
4. Editorial & safety review
Every entry passes an editorial pass for clarity, originality, and safety notices (toxicity, contraindications, dosage caveats) before publication.
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Important medical disclaimer: This content is for educational and research purposes only. It is not medical advice and is not a substitute for consultation with a licensed healthcare provider. Do not use any herb to self-treat a medical condition without professional guidance.
Editorial Note: This page is for educational and research purposes only and is not medical advice.
Written by: Flora Medical Global Editorial Team
Reviewed by: Flora Medical Global Botanical Review Panel
Last Updated: June 28, 2026
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