Antiaris toxicaria

What's the taxonomical classification of Antiaris toxicaria?

Antiaris toxicaria belongs to the kingdom Plantae and is classified within the phylum Streptophyta. As a member of the class Equisetopsida and the subclass Magnoliidae, this plant is situated in the order Rosales. It is further categorized under the family Moraeaae and is distinguished by its specific placement within the genus Antiaris, ultimately reaching its species designation as Antiaris toxicaria.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Rosales
Family Moraceae
Genus Antiaris
Species toxicaria
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Antiaris toxicaria has a large woody structure characterized by a massive trunk, spreading branches, and large, elliptical, leathery leaves that are arranged in an alternate pattern. The tree typically reaches significant heights in tropical forest canopies, featuring smooth bark that often exudes a milky white latex when wounded. Its foliage consists of thick, dark green blades with prominent pinnate venation and entire margins. Small, inconspicuous flowers are produced in clusters, eventually giving way to fleshy, globose fruits that contain many seeds. The overall morphology is adapted for survival in humid, lowland rainforest environments.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the tropical regions of Southeast Asia, specifically spanning from the Malay Peninsula through Indonesia and into parts of the Philippines. It thrives within the humid environments of lowland rainforests and coastal ecosystems across these equatorial territories. Its presence is most notable in the dense vegetation of the Indo-Malayan botanical realm. The species follows a distribution pattern dictated by high rainfall and consistent tropical temperatures. These specific climatic conditions allow the plant to establish itself across various island archipelagos in the region.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant requires tropical rainforest environments characterized by high humidity, consistent rainfall, and dappled sunlight filtering through a dense canopy.

Cultivators must ensure the soil remains moist and rich in organic matter to mimic the natural forest floor. Because it is a climbing woody vine, providing sturdy support structures like trees or trellises is essential for its growth. Careful monitoring of temperature is necessary to prevent the plant from experiencing cold stress.

Proper drainage is also vital to avoid root rot in these damp conditions.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant provides medicinal extracts from its milky latex and its seeds. The latex is harvested to create potent substances used in traditional healing practices. These secretions contain specific alkaloids that serve various therapeutic purposes depending on the culture. The seeds are also utilized to prepare traditional remedies through careful processing. Both components require precise handling due to their high toxicity.

According to a study published by "BMC genomic data", the latex of the tall tree Antiaris toxicaria contains various cardiac glycosides that hold significant research and potential application value. This medicinal component is studied through a chromosome-level genome assembly consisting of two haplotype subgenomes. The 671.73-Mb HapA subgenome contains 27,213 genes, while the 666.41-Mb HapB subgenome contains 28,840 genes. These subgenomes have contig N50 sizes of 90.18 and 90.29 Mb, respectively. Transposable elements represent 61.15% and 64.13% of the total assembled genome in the HapA and HapB subgenomes.

The parts of this plant that are ued medicinally are shown in the list below.

  • latex
  • seeds
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, known as Antiaris toxicaria, was historically utilized by various indigenous groups in the Pacific Islands to create potent arrow poisons for hunting and warfare.

The milky latex extracted from the plant's bark and stems contains highly toxic compounds that paralyze the nervous systems of prey. Traditional practitioners carefully harvested the sap and mixed it with other organic substances to ensure the poison adhered to weapon tips. This specialized knowledge was passed down through generations to maintain the effectiveness of their hunting tools.

Because of its lethal chemical properties, the plant played a significant role in the subsistence and defensive strategies of coastal communities.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Antiaris toxicaria?

This plant has potent cardiotonic and cytotoxic pharmacological activities derived from its complex chemical constituents. The presence of cardiac glycosides allows the plant to exert a strong influence on the heart muscle's contraction strength. These specific compounds can be utilized to manage certain cardiac conditions, although they require precise dosing due to their high toxicity. Furthermore, the plant demonstrates significant cytotoxic properties that can inhibit the growth of various cancer cell lines in laboratory settings. Researchers continue to study these biological effects to better understand how to harness its medicinal potential safely.

According to a study published by "Llloydia", the plant Antiaris toxicaria Lesch. is the source of the cardiotonic glycosides found in two western Malaysian dart poisons. These poisons were identified as ipoh akar and lampong. The ipoh akar poison was characterized by a dominant pharmacological activity that was convulsant. In contrast, the lampong poison exhibited a weaker muscle-relaxant activity of the curarizing type.

The primary pharmacological activities of this plant are shown in the list below.

  • cardiotonic
  • cytotoxic
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains cardiac glycosides such as glucosotropalloside, toxicarioside J, toxicarioside K, and toxicarioside L. These specific medicinal compounds are secondary metabolites derived from the Antiaris toxicaria species. The presence of these glycosides is significant due to their potent biological effects on heart muscle tissue. Researchers study these individual molecules to understand their potential applications in pharmacology. Each unique toxicarioside variant contributes to the complex chemical profile of the plant's latex.

According to a study published by "BMC genomic data", the latex of Antiaris toxicaria contains various cardiac glycosides that hold significant research and potential application value. To understand its medicinal components, a chromosome-level genome assembly was assembled into two haplotype subgenomes. The 671.73-Mb HapA subgenome contains 27,213 genes, while the 666.41-Mb HapB subgenome contains 28,840 genes. The contig N50 sizes for these subgenomes were 90.18 and 90.29 Mb, respectively. Transposable elements represented 61.15% and 64.13% of the total assembled genome in the HapA and HapB subgenomes. This genome assembly aims to enhance the understanding of the biosynthesis of these medicinal compounds.

The primary medicinal compounds of this plant are shown in the list below.

  • cardiac glycosides
  • glucostrophalloside
  • toxicarioside J
  • toxicarioside K
  • toxicarioside L
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating gastric cancer and hepatoma. It contains specific bioactive compounds that are studied for their potential to inhibit tumor growth in these serious malignancies. Researchers investigate its medicinal properties to understand how it affects cancer cell proliferation in the digestive system and liver. Traditional applications often involve using its extracts to combat various internal growths. These studies aim to determine the precise mechanisms through which the plant interacts with diseased tissues.

According to a study published by "Planta medica", the ethanolic extract from the seeds of Antiaris toxicaria was used to isolate 3 new cardiac glycosides named toxicarioside J, toxicarioside K, and toxicarioside L. These compounds, along with 1 known glucostrophalloside, were evaluated for their cytotoxic activities. The study focused on the effects of these glycosides against 2 specific human cell lines, which were the human gastric SGC-7901 and the human hepatoma SMMC-7721. All of these cardiac glycosides exhibited significant cytotoxicity against these cell lines.

The main health conditions this plant is used for are shown in the list below.

  • gastric cancer
  • hepatoma
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Antiaris toxicaria, which is used to create various medicinal herbal preparations including an ethanol extract. These preparations are often derived from the bark or latex of the tree to isolate specific bioactive alkaloids. The ethanol extract serves as a concentrated form of the plant's chemical constituents for specialized research or traditional uses. Practitioners must exercise extreme caution because the compounds within these preparations are highly potent and potentially lethal. Proper dosage and careful processing are essential when handling any derivative of this toxic species.

According to a study published by "Tanzania journal of health research", ethanol extracts of Antiaris toxicaria were evaluated for brine shrimp toxicity. The ethanol extract of Antiaris toxicaria was categorized as mildly toxic. This specific extract showed an LC50 value of 38.2 microg/ml. This result falls within the range of 30-100 microg/ml used to categorize extracts as mildly toxic.

The main herbal preparations of this plant are shown in the list below.

  • ethanol extract
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause severe cardiovascular complications due to its potent cardiotonic activity. The toxic milky sap contains glycosides that directly influence the strength and rhythm of the heart muscle. If ingested or absorbed through the skin, these compounds can lead to dangerous heart palpitations or sudden cardiac arrest. Such physiological disruptions occur because the chemical constituents interfere with the electrical signaling required for a steady heartbeat. Consequently, any exposure to the plant poses a significant risk of lethal toxicity to the human circulatory system.

According to a study published by "Llloydia", the cardiotonic glycosides found in the two poisons were derived from Antiaris toxicaria Lesch. The study investigated two supposedly Strychnos-based Semai Senoi dart poisons, ipoh akar and lampong, alongside their accompanying plant materials. These poisons contained tertiary and quaternary alkaloids, as well as cardiotonic glycosides from Antiaris toxicaria Lesch. The research involved botanical, chemical, and pharmacological re-investigations of these materials.

The main side effects this plant can have are shown in the list below.

  • cardiotonic activity
Evidence Level: ★★★☆☆

What herbs are paired with Antiaris toxicaria?

This plant Antiaris toxicaria is most frequently paired with various species of Strychnos to enhance the potency and effectiveness of its cardiac glycosides for arrow poisons.

Traditional practitioners often combine the milky latex of the plant with crushed seeds or bark from other forest flora to create a more stable and lethal decoction. These herbal mixtures are carefully measured to ensure the toxic compounds integrate properly for hunting purposes. The specific ratios used in these pairings can vary significantly depending on the regional traditions of the indigenous groups.

Such combinations are designed to facilitate rapid immobilization of prey through synergistic chemical interactions.

Evidence Level: ★☆☆☆☆