Tacca chantrieri
What's the taxonomical classification of Tacca chantrieri?
Tacca chantrieri belongs to the kingdom Plantae and is classified within the phylum Streptophyta. As a member of the class Equisetopsida and the subclass Magnoliidae, it follows the taxonomic order Dioscoreales. It is further categorized under the family Dioscoreaceae, specifically within the genus Tacca, and is identified by the species name chantrieri.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Dioscoreales |
| Family | Dioscoreaceae |
| Genus | Tacca |
| Species | chantrieri |
What are the morphological characteristics of this plant?
Tacca chantrieri has large, dark green, ovate leaves that grow from a thick underground rhizome and produce dramatic, near-black flowers featuring elongated, whisker-like bracteoles. The foliage typically reaches heights of up to one meter and provides a lush, tropical backdrop for the inflorescence. Each flower cluster consists of a central spike surrounded by wide, petal-like bracts that transition from deep maroon to black. These distinctive, thread-like appendages extend significantly downward, giving the plant its common name, the black bat flower. The overall structure creates a striking visual contrast between the broad, leafy canopy and the intricate, dark floral displays.
What is the geographical distribution of this plant?
This plant is native to the tropical rainforests of Southeast Asia, specifically occurring in regions such as Malaysia, Thailand, Indonesia, and southern China. It thrives in the humid, shaded understory layers of these equatorial environments. Because it requires high moisture and consistent warmth, its natural range is strictly confined to low-altitude tropical belts. While it remains a wild species in these specific Asian territories, it has been widely distributed globally through horticultural trade. Today, it is frequently cultivated in tropical gardens and conservatories across various continents.
How is this plant cultivated?
This plant, commonly known as the black bat flower, requires a tropical environment with high humidity, consistent warmth, and filtered shade to thrive.
It grows best in rich, well-draining soil that stays moist but never waterlogged. Because it is native to Southeast Asian rainforests, providing frequent misting or a humidifier is essential for maintaining its foliage. Avoid placing the plant in direct sunlight, as intense rays can scorch the large, dark leaves.
Once established in these ideal conditions, the plant can produce its striking, dark architectural blooms.
What parts of this plant are used medicinally?
This plant uses the rhizome for medicinal purposes in traditional practices. The underground stem contains active compounds that are processed to treat various ailments. Practitioners often prepare extracts from this part to manage inflammation or skin issues. Some cultures also utilize the rhizome to address digestive disturbances. This specific component serves as the primary source for its therapeutic applications.
According to a study published by "Journal of natural products", the rhizomes of Tacca chantrieri have been analyzed as part of a systematic study on saponin constituents of medicinal plants. This analysis resulted in the isolation of 3 new bisdesmosidic furostanol saponins (1-3). Additionally, the research identified 2 new bisdesmosidic pseudofurostanol saponins (4, 5). The study also led to the isolation of 2 new pregnane glycosides (6, 7). These structures were determined using extensive spectroscopic studies and a few chemical transformations.
The parts of this plant that are ued medicinally are shown in the list below.
- rhizome
What traditional systems uses this plant?
This plant, known as the Black Bat Flower, has been utilized in various Southeast Asian traditional practices for its purported medicinal properties.
Historically, different parts of the plant were prepared to address ailments such as skin infections and digestive issues. In certain regional folk medicine, the leaves and roots served as essential components in topical poultices. These traditional applications reflect the deep cultural connection between local communities and the diverse flora of their rainforest environments.
Such historical uses highlight the plant's long-standing role in ethnobotanical knowledge.
What are the pharmacological activities of Tacca chantrieri?
This plant has antioxidant, cytotoxic, and pediculicidal pharmacological activities derived from its diverse secondary metabolites. The antioxidant properties help neutralize free radicals, potentially protecting cells from oxidative damage. Studies have also demonstrated its cytotoxic activity, which indicates its potential role in inhibiting the growth of certain cancer cell lines. Additionally, the plant exhibits pediculicidal effects, making it a candidate for natural treatments against head lice. These multifaceted biological actions highlight its significant therapeutic potential in medicinal research.
According to a study published by "Journal of the Medical Association of Thailand = Chotmaihet thangphaet", Tacca chantrieri (Narapusri) was one of the plants selected and extracted with 95% ethanol. This plant showed high antioxidant activity on the DPPH radical assay with an EC50 of 10.24 microg/ml. Out of the ten Thai plants tested, Tacca chantrieri was among those that showed the highest antioxidant activity on the DPPH radical assay. These plant extracts are part of Thai folklore antidiabetic medicine.
The primary pharmacological activities of this plant are shown in the list below.
- antioxidant
- cytotoxicity
- pediculicidal
What medicinal compounds this plant contains?
This plant contains several bioactive medicinal compounds including the triterpenoids taccasteroside A, taccasteroside B, and taccasteroside C, as well as the lactones chantriolides A and chantriolides B. These specific chemical constituents are primary subjects of pharmacological research due to their potential therapeutic properties. Researchers study these molecules to understand how they interact with biological systems at a cellular level. The unique structural characteristics of these compounds distinguish Tacca chantrieri from other botanical species. Ongoing investigations aim to determine if these substances can be developed into effective treatments for various health conditions.
According to a study published by "Chemical & pharmaceutical bulletin", three novel C(28)-sterol oligoglucosides named taccasterosides A-C (1-3) were isolated from the rhizomes of Tacca chantrieri. These medicinal compounds are identified as novel C28-sterol oligoglucosides. The structures of these 3 compounds were determined through detailed spectroscopic analysis including 2D NMR data and a few chemical transformations.
The primary medicinal compounds of this plant are shown in the list below.
- Taccasteroside A
- Taccasteroside B
- Taccasteroside C
- chantriolides A
- chantriolides B
What health conditions is this plant used for?
This plant is used for none of the provided items are relevant to the health conditions for which Tacca chantrieri is used. Scientific literature does not currently list any specific medicinal purposes or therapeutic applications for this species in human healthcare. While some tropical plants are utilized in traditional medicine, this particular ornamental species lacks documented pharmacological use. It is primarily cultivated for its unique aesthetic value and striking black flowers rather than its chemical properties. Consequently, there is no established evidence to suggest it can treat any medical ailment.
As discussed in a study, the rhizomes of Tacca chantrieri were analyzed for their potential against specific health conditions. The research focused on the cytotoxic activities of 2 new diarylheptanoids and 7 new diarylheptanoid glucosides. These isolated compounds and derivatives were tested against HL-60 human promyelocytic leukemia cells and HSC-2 human oral squamous carcinoma cells. The study also reported activities related to normal human gingival fibroblasts (HGF).
The main health conditions this plant is used for are shown in the list below.
- Not enough relevant items found in the list.
What are the herbal preparations of this plant?
This plant is used to create medicinal herbal preparations such as ethanol extracts and herbal shampoo to treat various ailments. The ethanol extracts are often utilized in traditional medicine for their concentrated bioactive properties. When formulated into an herbal shampoo, the plant serves to promote scalp health and hair vitality. These preparations rely on the specific phytochemical components found within the roots and leaves. Researchers continue to study these methods to better understand the therapeutic potential of the species.
According to a study published by "Journal of the Medical Association of Thailand = Chotmaihet thangphaet", Tacca chantrieri, known as Narapusri, was one of the plants selected and extracted with 95% ethanol. This plant showed high antioxidant activity on the DPPH radical assay with an EC50 of 10.24 microg/ml. The study also evaluated the antioxidant activities of extracts used in Thai folklore antidiabetic medicine. Based on the research, these plant extracts may be used effectively for the treatment of diabetic patients.
The main herbal preparations of this plant are shown in the list below.
- ethanol extracts
- herbal shampoo
What side effects this plant can have?
This plant can cause skin irritation, allergic reactions, and gastrointestinal distress if ingested. Contact with the plant's sap may lead to redness, itching, or localized dermatitis on sensitive skin. Some individuals might experience swelling or rashes as part of an immune response to its chemical compounds. If consumed accidentally, the plant can trigger nausea, vomiting, or stomach pain. Because these health risks are significant, careful handling is necessary to avoid direct contact with the foliage and flowers.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Tacca chantrieri?
This plant pairs best with aromatic herbs such as jasmine, vanilla, and gardenia to complement its heavy, sweet fragrance.
Because Tacca chantrieri possesses deep, dark floral notes, these pairings enhance the existing scent profile rather than overpowering it. Using white-flowered herbs can also create a striking visual contrast against the plant's near-black foliage. These combinations are frequently utilized in high-end perfumery to build complex olfactory layers.
Integrating these specific scents helps to ground the exotic sweetness of the black bat flower in a more balanced garden environment.