metal-leaf
Strobilanthes alternata · Accepted scientific name
Scientific literature: Very Sparse (15 studies) · ★☆☆☆☆
Metal-leaf, scientifically known as Strobilanthes alternata, is a versatile medicinal shrub valued in traditional healing. Renowned for its striking foliage, this plant possesses significant therapeutic properties, often used to treat respiratory ailments, skin conditions, and inflammation. Its bioactive compounds offer promising potential in modern pharmacological research and herbal wellness.
- Family
- Acanthaceae
- Native range
- Africa
- Parts used
- Leaf
- Common names
- Crimson Ivy
- Scientific synonyms
- Blechum Cordatum · Hemigraphis Colorata · 2 more
Names and Synonyms
Common Names
- Crimson Ivy
Scientific Names
Accepted name
Strobilanthes alternataSynonyms
- Blechum cordatum
- Hemigraphis colorata
- Ruellia alternata
- Hemigraphis alternata
Regional and Traditional Names
Spanish:
- Cucaracha
Sources: Wikidata, Catalogue of Life
Taxonomical Classification
This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and class Equisetopsida. Following its placement in the subclass Magnoliidae and order Lamiales, it is a member of the family Acanthaceae. Finally, it is taxonomically identified under the genus Strobilanthes.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Acanthaceae |
| Genus | Strobilanthes |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
This plant exhibits a diverse geographical distribution spanning several distinct tropical regions. In West Tropical Africa, it can be found within the borders of Benin. Its presence extends to Northeast Tropical Africa, specifically in the country of Chad. Moving toward the ocean, the species is also located in the Chagos Archipelago within the Western Indian Ocean. Finally, it inhabits the Indo-China region, with recorded occurrences in both Myanmar and Thailand.
| Region | Area |
|---|---|
| West Tropical Africa | Benin |
| Northeast Tropical Africa | Chad |
| Western Indian Ocean | Chagos Archipelago |
| Indo-China | Myanmar |
| Indo-China | Thailand |
| Indo-China | Vietnam |
| Malesia | Jawa |
| Malesia | Malaya |
| Malesia | Maluku |
| Malesia | Philippines |
Sources: The World Checklist of Vascular Plants (WCVP)
Botanical Identification
Ecology
The ecology of Strobilanthes alternata is characterized by a broad altitudinal distribution that spans from sea level to montane environments. This species is found across a significant vertical gradient, with its presence documented from a minimum elevation of 0 m AMSL up to a maximum elevation of 1000 m AMSL. Based on these parameters, the species maintains a mean elevation of 1500 m AMSL within its ecological niche, reflecting its ability to adapt to various topographical and climatic conditions ranging from lowland plains to higher-altitude habitats.
- Elevational range max:
- 1000 m AMSL
- Elevational range mean:
- 1500 m AMSL
- Elevational range min:
- 0 m AMSL
Life history
The life history of Strobilanthes alternata is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons. In terms of its structural life form, it is classified as a hemicryptophyte, a growth habit where the perennating buds are located at the soil surface, protected by leaf litter or other organic matter during unfavorable conditions. This hemicryptophytic nature ensures its ability to regenerate and maintain its presence within its ecological niche over an extended period.
- Life form :
- hemicryptophyte
- Lifecycle :
- perennial
Morphology
The morphology of Strobilanthes alternata is characterized by its growth form as a non-woody herb or forb, typically manifesting as a self-supporting plant rather than a climber or liana. It functions as an independent organism without parasitic tendencies and is classified as a terrestrial species, avoiding epiphytic lifestyles. The plant maintains a relatively modest stature, with a height ranging from a minimum of 0.3 m to a maximum of 0.8 m. Its habit is non-woody, which supports its development as a low-growing terrestrial herb across various environments ranging from aquatic to semiaquatic and purely terrestrial habitats.
- Aquatic :
- terrestrial
- Climber :
- self-supporting
- Epiphyte :
- terrestrial
- Growth form :
- herb
- Growth form :
- forb
- Parasite :
- independent
- Plant height max:
- 0.8 m
- Plant height min:
- 0.3 m
- Woodiness :
- non-woody
Physiology
The physiology of Strobilanthes alternata is characterized by a distinct morphological structure in its foliage, which plays a critical role in its photosynthetic efficiency and environmental adaptation. The plant exhibits a significant range in leaf dimensions, with leaf length varying from a minimum of 3.5 cm to a maximum of 15 cm. Complementing this longitudinal variability, the leaf width shows a functional range between a minimum of 1.6 cm and a maximum of 6 cm. These dimensional parameters suggest a highly adaptable surface area, allowing the plant to optimize light interception and gas exchange processes according to its specific microclimate and developmental stage.
- Leaf length max:
- 15 cm
- Leaf length min:
- 3.5 cm
- Leaf width max:
- 6 cm
- Leaf width min:
- 1.6 cm
Reproduction
The reproduction of Strobilanthes alternata is characterized by the development of a specialized fruit type classified as a capsule. This structure functions as a dry, dehiscent fruit, meaning that upon reaching maturity, the fruit wall splits or breaks open at a predetermined line to facilitate the dispersal of its internal seeds. This dehiscence mechanism is essential for the natural release of seeds into the surrounding environment, ensuring the continuation of the species' life cycle.
- Dehiscence :
- dehiscent
- Fruit type :
- capsule
Sources: Global Inventory of Floras and Traits (GIFT)
Plant Parts
Strobilanthes alternata has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.
| Plant part | Supporting sources | Consensus |
|---|---|---|
| Leaf | 1 supporting sources | ★☆☆☆☆ |
Leaf
- Journal of animal physiology and animal nutrition
Chemicals
Strobilanthes alternata has 7 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Carboxylic acid, Coumarins, Flavonoids, Saponins, Steroids.
| Chemical | Supporting sources | Consensus |
|---|---|---|
| Carboxylic acid | 1 supporting sources | ★☆☆☆☆ |
| Coumarins | 1 supporting sources | ★☆☆☆☆ |
| Flavonoids | 1 supporting sources | ★☆☆☆☆ |
| Saponins | 1 supporting sources | ★☆☆☆☆ |
| Steroids | 1 supporting sources | ★☆☆☆☆ |
| Tannins | 1 supporting sources | ★☆☆☆☆ |
| phenol | 1 supporting sources | ★☆☆☆☆ |
Carboxylic acid
- Asian Pacific journal of tropical medicine
Coumarins
- Asian Pacific journal of tropical medicine
Flavonoids
- Asian Pacific journal of tropical medicine
Saponins
- Asian Pacific journal of tropical medicine
Steroids
- Asian Pacific journal of tropical medicine
Tannins
- Asian Pacific journal of tropical medicine
phenol
- Asian Pacific journal of tropical medicine
Preparations
Strobilanthes alternata has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include leaves.
| Preparation | Supporting sources | Consensus |
|---|---|---|
| Leaves | 1 supporting sources | ★☆☆☆☆ |
Leaves
- Journal of animal physiology and animal nutrition